Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What is the expanded form of 35.79?

• A. $35.79=(3\times 10)+(5\times 1)$
  $+(7\times \frac{1}{100})+(9\times \frac{1}{10})$
• B. $35.79=(3\times 1)+(5\times 10)$
  $+(7\times \frac{1}{10})+(9\times \frac{1}{100})$
• C. $35.79=(3\times 100)+(5\times 10)$
  $+(7\times \frac{1}{10})+(9\times \frac{1}{100})$
• D. $35.79=(3\times 10)+(5\times 1)$
  $+(7\times \frac{1}{10})+(9\times \frac{1}{100})$

Answer 1

The correct option is D $35.79=(3\times 10)+(5\times 1)$

$+(7\times \frac{1}{10})+(9\times \frac{1}{100})$
Let's write 35.79 in a place value chart.


With the help of this place value chart, let's write the number in an expanded form.

Multiplying each face value with its place value, we get:

$⟹35.79=(3\times 10)+(5\times 1)$ $+(7\times \frac{1}{10})+(9\times \frac{1}{100})$