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Question

Question: How do you write \(6\) percent as a decimal?...

How do you write 66 percent as a decimal?

Explanation

Solution

First convert the percentage into fractional form and then write the decimal form after converting the fractional form into decimal.
We can convert percent x%x\% into fraction form by dividing the percent with 100100 that is written as
x%=x100x\% = \dfrac{x}{{100}}

Complete step by step solution:
For writing 66 percent into decimal form we need to first convert it into fractional form,
Converting 6%6\% in fraction as follows
6%=6÷100=61006\% = 6 \div 100 = \dfrac{6}{{100}}
So we got the fractional form of 66 percent which is equal to 6100\dfrac{6}{{100}}
Now for writing it into decimal form we need to perform division of 66 with 100100
But hold a second, maybe we do not have to perform that long division as we know that when the denominator of a fraction is in powers of 1010 then for converting that fraction into decimal number we just need to put a decimal in the numerator in such a manner that the decimal should be placed nn digits before from the right of the numerator, where nn is the number of 0s0's the denominator has.
So here we have the value of nn equals to 22, as the denominator of 6100\dfrac{6}{{100}} has only two 0s0's
So writing the fraction 6100\dfrac{6}{{100}} in decimal numbers as
6100=0.06\dfrac{6}{{100}} = 0.06

Therefore we got the required value of 66 percent as a decimal, which equals =0.06 = 0.06

Note: Take care that if numerator has less digits than the number of 0s0's the denominator has, then add the required number of 0s0's before the numerator and then place the decimal point. For writing decimal or fraction in percent form we just need to multiply them by 100100