Question

express the 0.004 decimal as pre cent with full formula
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Answer 1

Given-

0.004 decimal

To find-

percentage expression  of 0.004

Solution-

convert 0.004 to fraction

                     =  4/1000

now, convert 4/1000 to %

                           = 4/1000 * 100 % = 0.4 %

Hence, the 0.004 can be expressed as 0.4%

in mathematics, a percentage  is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".  A percentage is a dimensionless number (pure number); it has no unit of measurement.