snacestlord snacestlord

14-10-2019
Mathematics

contestada

How many times larger is 2 x 10^10 than 5 x 10^6?

A. 4000
B. 4
C. 400
D. 40

Respuesta :

musiclover10045 musiclover10045

14-10-2019

Divide the whole numbers:

2 / 5 = 0.40

When dividing scientific numbers subtract the exponents:

10-6 = 4

Now you have:

0.4 x 10^4

Rewrite to scientific notation:

4 x 10^3

Convert to standard form: 4000

The answer is A.

Answer Link

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