Answer:
Katie
Step-by-step explanation:
if you multiply 4 by 2.5, you get 10. if you multiply 10 by 2.5 you get 25!
Only Katie is correct
4:10 = 2:5
3:9 = 1:3
10:25 = 2:5
4:10 = 10:25
.
Answer
see explanation
Using the rule of exponents
= , then
=
His mistake was in subtracting 3 rather than - 3
Answer: strong negative