Question

Write 81.509 in expanded form

Answer 1

8 x 10 = 80
1 x 1 = 1
5 x .1 = .5
9 x .001 = .009

Answer 2

81.509 =

80

+ 1

+ 0.5

+ 0.00

+ 0.009

Expanded Factors Form:

81.509 =

8 × 10

+ 1 × 1

+ 5 × 0.1

+ 0 × 0.01

+ 9 × 0.001

Expanded Exponential Form:

81.509 =

8 × 101

+ 1 × 100

+ 5 × 10-1

+ 0 × 10-2

+ 9 × 10-3