In scientific notation. Choose the answer with the proper number of significant figures. (3x10^4)(4x10^23)

1 answer:

6 0

It would be choice B.

This is because the 3 is distributed to the 4 to get 12. The 10^4 is distributed to the 10^23 and because of the exponent laws, the exponents are added to get 27 and the 10's (being the base) is left alone.

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