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Multiply (4.21 × 10−9)(7.8 × 1015). Write the final answer in scientific notation.

i need the answer plss helppp

Respuesta :

jacksonpolluckseasel

Answer:

3.2838 × 10^7

Step-by-step explanation

(4.21)(7.8)=3.2838 × 10^1

in order to get the exponent, you add the previous two together

-9+15=7

= 3.2838 × 10^7

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