9 102 is
?
times as much as 3 x 10-2.
3 x 10-4
6 x 104
6 x 10°
3 x 104

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

i dont know sorry

step-by-step explanation:

i am unable to solve this problem

step-by-step explanation:

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.