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Question

MULTIPLYING AND DIVIDING IN SCIENTIFIC NOTATION

Find the product or quotient. Write your answer in scientific notation.

(5×10-7)×(3×106)


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Solution

Find product

(5×10-7)×(3×106)

=(5×3)×(10-7×106) (Multiplying digits and powers simultaneously)

=(5×3)×(10-7+6) (Using exponent aman=am-n)

=15×10-1

=1.5×101×10-1

=1.5×100

Hence, the product (in scientific notation) is 1.5×100 .


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