exam Maths Puzzle Numerical Ability

The product of two integers is 32. One integer is twice the other. What are the integers? Please help!

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exam Other Question

can someone please tell me if i did this right? i had to write in the simplest form without negative exponents. [(-2)^-2]^-3 = -2^6 therefore i had gotten 64 as my answer. Can someone help me on this problem?

Which property of the real numbers is illustrated by the following statement?

7 + 8 = 8 + 7

Thanks,
Lisa