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How many times greater is 3.9*10^-4 than 7.8 10^-6

Sagot :

Answer:

50

Step-by-step explanation:

i am sure for that.it is so easy

Answer:

50 times greater than 7.8×10^-6

Step-by-step explanation:

[tex]\frac{3.9•10^{- 4}}{7.8•10^{- 6} \\\\\\ \frac{3.9}{7.8}•10^{- 4 -(- 6)} \\\\\\\ \frac{1}{2}•10^{- 4 + 6} \\\\\\ \frac{1}{2}•10^2 \\\\\\ \frac{1}{2}•100 \\\\\\ \frac{100}{2} \\\\\\ 50[/tex]

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