Which expressions are equivalent to 7^{-2}\cdot 7^67
−2
⋅7
6
7, start superscript, minus, 2, end superscript, dot, 7, start superscript, 6, end superscript?

Step-by-step explanation:

The given expresion is;

We apply the product rule of indices;

We apply this property to our expression to get:

Simplify the exponent on the right;

We can't see the options, but I hope this helps!

answer: the correct answer is -32

step-by-step explanation:

the answer would be d

straight away you can eliminate a and c because not all books contain a scientific skill because some may be fiction. c is also wrong because it saids that the only way children can learn is through books which is incorrect.

b is also wrong because reading can be a scientific skill but not always, therefore it is wrong which leaves you with d, the correct answer since it said that it can children learn.

hope this ! : 3