SOLUTION: Multiply. Choose the answer that correctly expresses the answer with scientific notation.(5x10^3)(2.1x10^7)
1.05x10^9
1.05x10^7
1.05x10^8
1.05x10^14
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Question 1043903: Multiply. Choose the answer that correctly expresses the answer with scientific notation.(5x10^3)(2.1x10^7)
1.05x10^9
1.05x10^7
1.05x10^8
1.05x10^14
Found 2 solutions by josgarithmetic, Alan3354:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
What do you know of the properties of exponents?
and then what......?
-
None of those choices!
, which is none of the choices offered.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
(5x10^3)(2.1x10^7) = 10.5*10^10
= 1.05*10^11
--------------
None of the 4.
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PS Use * (Shift 8) for multiply.
x is often used elsewhere.
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