Answer:
Brownie is 80 times thicker than cookie.
Explanation:
Thickness of brownie is 4 x 10∧-2 feet
Thickness of cookies is 5 x 10∧ -4 feet
Ratio = (4 x 10∧-2)/(5 x 10∧ -4) =80
9.5m questions
12.2m answers