12. the product 6x4 can be found by thinking of the problem
as 6(10 + 4) = 6x10 + 6x4 = 60 + 24 = 84.
a. what properties are being used?
b. use this technique to mentally compute 32x12.

it is contrapositive

i could not see the question too well so check yourself again too . this is because i want you to get it correct.

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d

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