Asked by somebody help i am new

These problems I really don't understand and really need serious help :)

1.What the product of (5.1 x 10^3)x
(3.2 x 10^3)?(Please express your answer in scientific notation)
16.32 x 10^6
1.632 x 10^7
16.32 x 10^9
1.632 x 10^10

2.What is the product of (7.28 x 10^-2)x(9.1 x 10^-2)? (Please express your answer in scientific notation)
6.6248 x 10^-3
66.248 x 10^-4
6.6248 x 10^4
66.248 x 10^-3

3.What is the quotient of (2.965 x 10^7)
:(5x10^3)? :=divide
14.825 x 10^4
5.93 x 10^5
14.825 10^5
5.93 10^3

4.Find the product.(4.0 x 10^-2)x
(5.2 x 10^8)
20.8 x 10^8
2.08 x 10^7
2.08 x 10^6
20.8 x 10^7
Answered by somebody help i am new
@ms.sue
Answered by Ms. Sue
I don't know.

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Answered by Brady
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