How is 80.106 written in expanded form? A. (8×10)+(1×110)+(6×1100)
B. (8×10)+(1×110)+(6×11,000)
C. (8×10)+(1×1100)+(6×11,000)
D. (8×10)+(1×1100)+(6×110,000)

marco saved more.   he saved $35 more.

step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35

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