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

(5x 10^3) x (9x10^7)-example-1

2 Answers

6 votes

Answer:

A) 10^10 * 45

B) 3500

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


(7\cdot \:10^5)/(2\cdot \:10^2)\\=(7\cdot \:10^(5-2))/(2)\\=(10^3\cdot \:7)/(2)\\\\=(2^3\cdot \:5^3\cdot \:7)/(2)\\=5^3\cdot \:2^2\cdot \:7\\=2^2\cdot \:125\cdot \:7\\=3500

User Mivk
by
6.9k points
0 votes

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.

User Icepickle
by
7.2k points