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Naya [18.7K]
3 years ago
5

(5x 10^3) x (9x10^7)

Mathematics
2 answers:
Anna35 [415]3 years ago
7 0

Answer:

A) <em>10^10 * 45</em>

B) <em>3500</em>

Step-by-step explanation:

Part A

\left(5\cdot \:10^3\right)\left(9\cdot \:10^7\right)\\=5\cdot \:9\cdot \:10^{3+7}\\=10^{10}\cdot \:45

Part B

\frac{7\cdot \:10^5}{2\cdot \:10^2}\\=\frac{7\cdot \:10^{5-2}}{2}\\=\frac{10^3\cdot \:7}{2}\\\\=\frac{2^3\cdot \:5^3\cdot \:7}{2}\\=5^3\cdot \:2^2\cdot \:7\\=2^2\cdot \:125\cdot \:7\\=3500

Zina [86]3 years ago
6 0

Answer:

4.5 x 10^11

Pretty simple, and Im just typing bc it needs to be 20 characters also use m a t h w a y.

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