Algebra Examples

$500$

Step 1

Rules for determining significant figures:

Digits that are non-zero are significant.

Leading zeros are not significant.

Trailing zeros are significant only in the decimal portion of a number.

Zeros that are between significant digits are also significant.

Step 2

The underlined digits are the ones that are significant.

$5$

$0$

Step 3

There is $1$ significant figure.

$1$