Question

*You can use notebook paper, then scan and upload your response.

Alex wrote 103.903 in expanded form as follows:

100+3x1+9x1/100+3x1/1,000


1. Explain his mistake.

2. Then tell how to correct it.

Answer 1

Explanation:

Expanded forms can be written like a sentence or stacked for readability as they are here.

Expanded Notation Form:

103.903 =

100

+ 0

+ 3

+ 0.9

+ 0.00

+ 0.003

Expanded Factors Form:

103.903 =

1 × 100

+ 0 × 10

+ 3 × 1

+ 9 × 0.1

+ 0 × 0.01

+ 3 × 0.001

Expanded Exponential Form:

103.903 =

1 × 10
`{}^(2)`

+ 0 × 10
`{}^(1)`

+ 3 × 10
`{}^(0)`

+ 9 × 10
`{}^(-1)`

+ 0 × 10
`{}^(-2)`

+ 3 × 10
`{}^(-3)`