Express the following number in standard form of 0.000000085
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Step-by-step explanation:
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The answer is 8.5×10^-8
Step-by-step explanation:
To express number in standard form we will write it as follow
a × 10^n where 1 ≤ a ≤ 10 and n is an integer
Mathematically
0.000000085 =\frac{85}{1000000000}
1000000000
85
= \frac{85}{10^9}
10
9
85
= 85 × 10^-8
= (8.5×10) × 10^-9
= 8.5 ×(10^1 × 10^-9)
=8.5 × (10^1+(-9) ) Using (a^m × a^n ) = a^m+n
=8.5 × 10^-8
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