# Algebra 2

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saturn is approximately 1.4 x10^9 kilometers from the Sun. If light travels at approximately 3.0 x 10^5 kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation.

• Algebra 2 -

Divide the separation distance by the speed of light, using scientific notation.

• Algebra 2 -

We will be happy to check your work or thinking.

time=distance/speed

• Algebra 2 -

I divided 1.4 x 10^9/3.0 x10^5=
4.7 x 10^4 sec

• Algebra 2 -

Try again. You got the exponent wrong

• Algebra 2 -

• Algebra 2 -

I thought you take 10^9-5 or 10^4 is the exponent

• Algebra 2 -

0.47*10^4 = 4.7*10^3

• Algebra 2 -

I understand now. When i divided it gave me .047. Thank you for your help.

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