Question

42 • 43

Answer 1

4^2 • 4^3

Kerry is trying to solve the above expression. She takes the following steps: 1.Kerry notices the bases of each power are the same, so she writes 4 down as the base of her answer.
2.Kerry sees that this is a multiplication problem, so she multiplies the exponents together to get 6 as the exponent of her answer.
Kerry arrives at the answer 4^6. Which step(s) did she make a mistake in and what was the mistake?

Answer 2

5^9 ÷ 5^3

John is trying to solve the above expression. He takes the following steps: 1.John sees that this is a division problem, so he divides 5 by 5 and gets 1 as the base of his answer.
2.John divides 9 by 3 to get 3 as the exponent of his answer.
John arrives at the answer 1^3. Which step(s) did he make a mistake on and what was the mistake?