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pre-algebra

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A)
light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation

B)
the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the earth? remember that light travels at approximately 186,000 miles per second

please help me.
(B i don't understand)

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