Question

Please help asap there both together

Answer 1

Answer:

C: Chris made a mistake in step 2.

Step-by-step explanation:

There are 4 main exponent rules in mathematics. In step 1, Chris followed the correct rule of:

$(a^{x})(a^{y})=a^{x+y}$

However, in step 2, he messed up. The correct rule is:

$(a^{x})^{y}=a^{(x)(y)}$

This means that step 2 should have been $4^{-15}$

Hope this helps! :^)

Answer 2

Step 2 , supposed to be 4^-15 instead of 4^-2. Always multiply the exponents together.

Answer: Chris made a mistake in step 2 -C