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Artyom0805 [142]
2 years ago
13

Help 30 minutes to turn in

Mathematics
1 answer:
dangina [55]2 years ago
4 0

First, you are going to want to get the terms to the same power of 10 in scientific notation. Realize that 9.3 \cdot 10^7 = 9.3 \cdot 10^6 \cdot 10^1= 93 \cdot 10^6. Essentially, we have converted the 9.3 \cdot 10^7 to a term with 10^6. Now, we can subtract the values in each term that are not 10 as shown below:

93 \cdot 10^6 - 3.14 \cdot 10^6

(93 - 3.14) \cdot 10^6

89.86 \cdot 10^6


Remember that we have to turn it back to scientific notation once we are done!

89.86 \cdot 10^6 = 8.986 \cdot 10^7


Our answer is the second choice, 8.98 \cdot 10^7. (This is the closest answer to 8.986 \cdot 10^7.)

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Step-by-step explanation:

I think you misses attaching the photo, so please have a look at my photo for your better understanding.

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