Seventh Grade Math Homework?

Sorry to say but, Part 1 of this question is wrong.

if you have 1 cm cubes then you can form large cube of 1,8,27,64,125,...cubes

10^2 = 100 which does not belong to the above series. So no perfect cube is can be formed,

However for 10^6 case:

10^6 = (10^2)^3

which implies 10^2 x 10^2 x 10^2 is the new cube.

Answer c. edge of the length of the new cube 100 cm. The volume of the new cube 10^6 cubic cm.

Answer d. The volume of the new cube 10^6 cubic cm. What is the volume of the first large cube, in cubic centimeters? Is this part also a question??

Answer e. the area of a face of the new cube 10^4 sq cm.

CANT take 10^2 little cubes and make 1 large one

10^2 is NOT a Perfect Cube

For the 10^6 which = 1000000 this is a perfect cube

It is 100

c).....100 cm

d).....100*100*100 = 1000000 cm^3

e).....100*100 = 10000 cm^2

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A (Four Day Late) CHRISTMAS PRESENT FOR YOU

Ask someone to write a number, say a five-digit number.

(Can be a 2-digit.....3-digit.....4-digit....ect..…

Suppose the number written is

57836

Now, without showing the asker, you write a number on

a sheet of paper and keep it folded. You have to write the

number by subtracting 2 from the above number and

adding 2 in front which will be....

257834

Next, ask the person to write another five-digit number

below his original number. Suppose he writes 37589.

So you now have...

57836

37589

Now you write a five-digit number below it in such a

way that each digit is 9 minus digit above. You now have...

57836

37589

62410

Ask the person to add one more 5-digit number. If he

adds 54732, you add below it 45267. Note that you decided

the number by subtracting each of his digit from 9.

Thus, you now have.....

57836

37589

62410

54732

45267

Next, ask him to add all the number and he gets 257834

Show him the number which you had written as an answer

to this addition earlier in the folded paper and surprise him.