How do you express 3.08times10^-4 in standard form?

2 Answers
Apr 24, 2017

Because the exponent of the 10s term is negative we must move the decimal point 4 places to the left:

3.08 xx 10^-4 = 0.000308

Apr 24, 2017

3.08 * 10^-4 = 0.000308

Explanation:

Since the exponent on 10 is negative 4 , just move the decimal point 4 spaces to the left.
Think of the number this way...

000003.0800000

3.08 * 10^-4 now move the decimal 4 spaces left

00.00030800000

So your answer is

0.000308


Extra tip: if the exponent was positive you would move the decimal point to the right

3.08 * 10^4

000003.0800000 Move decimal 4 spaces right

0000030800.000

So your answer is

30800