Faiithh Faiithh

13-09-2019
Mathematics

contestada

How many times greater is 8.4 x 10-^5 than 2.1 x 10^-6?
a.
0.04
b.
0.4

c. 4
d. 40

How many times greater is 84 x 105 than 21 x 106 a 004 b 04 c 4 d 40 class=

Respuesta :

sqdancefan sqdancefan

24-09-2019

Answer:

40

Step-by-step explanation:

[tex]\dfrac{8.4\cdot 10^{-5}}{2.1\cdot 10^{-6}}=\dfrac{8.4}{2.1}\cdot 10^{-5-(-6)}=4\cdot 10^1=40[/tex]

8.4×10^-5 is 40 times the value of 2.1×10^-6

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