When multiplying/dividing, exponents are added/subtracted respectively.
Answer is not A.
Multiply and write it in scientific notation.
(8*10^3)*(7*10^5)
A.5.6*10^16
B.5.6*10^9
C.1.5*10^16
D.1.5*10^9
Is the answer A? I really don't know how to do scientific notation😱
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