Find the product.(3a)(7a2)

A. 10a3
B. 3a + 7a2
C. 21a4
D. 21a3

Answer: D

Mathematics

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A.

B.

C.

D.

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Express the number in standard notation.5.28 × 10-4

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Provide the proper response.Does Euler's formula hold for the network shown?

A. No B. Yes

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