How can I Find the size of each of the following sets [closed]












-2














I got this question for homework and can't solve it please help



Find the size of the following sets



1.{x|x∈Z and x^2=8}.

2.P(A), where A=P({1,2}).

3.{1,10,100,1000,…}.

4.S×T, where S={a,b,c} and T={1,2,3,4,5}.

5.{x|x∈Z and x^2<8}.









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closed as off-topic by amWhy, NCh, Martin Sleziak, José Carlos Santos, Paul Frost Dec 1 '18 at 0:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – amWhy, NCh, José Carlos Santos, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.









  • 1




    What does the "fallen T" mean?
    – Christian Blatter
    Nov 21 '18 at 10:34










  • What you mean by fallen T?
    – mmhh123
    Nov 21 '18 at 15:42
















-2














I got this question for homework and can't solve it please help



Find the size of the following sets



1.{x|x∈Z and x^2=8}.

2.P(A), where A=P({1,2}).

3.{1,10,100,1000,…}.

4.S×T, where S={a,b,c} and T={1,2,3,4,5}.

5.{x|x∈Z and x^2<8}.









share|cite|improve this question















closed as off-topic by amWhy, NCh, Martin Sleziak, José Carlos Santos, Paul Frost Dec 1 '18 at 0:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – amWhy, NCh, José Carlos Santos, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.









  • 1




    What does the "fallen T" mean?
    – Christian Blatter
    Nov 21 '18 at 10:34










  • What you mean by fallen T?
    – mmhh123
    Nov 21 '18 at 15:42














-2












-2








-2







I got this question for homework and can't solve it please help



Find the size of the following sets



1.{x|x∈Z and x^2=8}.

2.P(A), where A=P({1,2}).

3.{1,10,100,1000,…}.

4.S×T, where S={a,b,c} and T={1,2,3,4,5}.

5.{x|x∈Z and x^2<8}.









share|cite|improve this question















I got this question for homework and can't solve it please help



Find the size of the following sets



1.{x|x∈Z and x^2=8}.

2.P(A), where A=P({1,2}).

3.{1,10,100,1000,…}.

4.S×T, where S={a,b,c} and T={1,2,3,4,5}.

5.{x|x∈Z and x^2<8}.






discrete-mathematics






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share|cite|improve this question













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edited Nov 21 '18 at 15:52

























asked Nov 21 '18 at 8:20









mmhh123

42




42




closed as off-topic by amWhy, NCh, Martin Sleziak, José Carlos Santos, Paul Frost Dec 1 '18 at 0:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – amWhy, NCh, José Carlos Santos, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.




closed as off-topic by amWhy, NCh, Martin Sleziak, José Carlos Santos, Paul Frost Dec 1 '18 at 0:04


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them write answers appropriate to your experience level." – amWhy, NCh, José Carlos Santos, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.








  • 1




    What does the "fallen T" mean?
    – Christian Blatter
    Nov 21 '18 at 10:34










  • What you mean by fallen T?
    – mmhh123
    Nov 21 '18 at 15:42














  • 1




    What does the "fallen T" mean?
    – Christian Blatter
    Nov 21 '18 at 10:34










  • What you mean by fallen T?
    – mmhh123
    Nov 21 '18 at 15:42








1




1




What does the "fallen T" mean?
– Christian Blatter
Nov 21 '18 at 10:34




What does the "fallen T" mean?
– Christian Blatter
Nov 21 '18 at 10:34












What you mean by fallen T?
– mmhh123
Nov 21 '18 at 15:42




What you mean by fallen T?
– mmhh123
Nov 21 '18 at 15:42










1 Answer
1






active

oldest

votes


















0















  1. Solve the equation for x.

  2. Calculate P(A) and count the sets.

  3. That set = { 10$^n$ : n nonnegative integer }.

  4. Prove |A×B| = |A|×|B|.

  5. One by one find the integers with square < 2.

    How far will you have to look?






share|cite|improve this answer





















  • Thank you very much this help me a lot note its <8 not <2
    – mmhh123
    Nov 22 '18 at 17:27




















1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









0















  1. Solve the equation for x.

  2. Calculate P(A) and count the sets.

  3. That set = { 10$^n$ : n nonnegative integer }.

  4. Prove |A×B| = |A|×|B|.

  5. One by one find the integers with square < 2.

    How far will you have to look?






share|cite|improve this answer





















  • Thank you very much this help me a lot note its <8 not <2
    – mmhh123
    Nov 22 '18 at 17:27


















0















  1. Solve the equation for x.

  2. Calculate P(A) and count the sets.

  3. That set = { 10$^n$ : n nonnegative integer }.

  4. Prove |A×B| = |A|×|B|.

  5. One by one find the integers with square < 2.

    How far will you have to look?






share|cite|improve this answer





















  • Thank you very much this help me a lot note its <8 not <2
    – mmhh123
    Nov 22 '18 at 17:27
















0












0








0







  1. Solve the equation for x.

  2. Calculate P(A) and count the sets.

  3. That set = { 10$^n$ : n nonnegative integer }.

  4. Prove |A×B| = |A|×|B|.

  5. One by one find the integers with square < 2.

    How far will you have to look?






share|cite|improve this answer













  1. Solve the equation for x.

  2. Calculate P(A) and count the sets.

  3. That set = { 10$^n$ : n nonnegative integer }.

  4. Prove |A×B| = |A|×|B|.

  5. One by one find the integers with square < 2.

    How far will you have to look?







share|cite|improve this answer












share|cite|improve this answer



share|cite|improve this answer










answered Nov 22 '18 at 0:06









William Elliot

7,3212620




7,3212620












  • Thank you very much this help me a lot note its <8 not <2
    – mmhh123
    Nov 22 '18 at 17:27




















  • Thank you very much this help me a lot note its <8 not <2
    – mmhh123
    Nov 22 '18 at 17:27


















Thank you very much this help me a lot note its <8 not <2
– mmhh123
Nov 22 '18 at 17:27






Thank you very much this help me a lot note its <8 not <2
– mmhh123
Nov 22 '18 at 17:27





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