What is 30% of 90? it didn't give me options.

27

Step-by-step explanation:

To find a percent of a number, change the percent to a decimal and multiply by the number. To change a percent to a decimal, move the decimal point of the percent two places left.

30% of 90 =

= 30% * 90

= 0.30 * 90

= 27

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

answer: the four apples you took away.

step-by-step explanation: