Well, isn't that a happy little question! 420 as a decimal is 420.0. You see, when we write a whole number like 420 without any fractions or parts, it's already in decimal form. Just like painting, sometimes the simplest things can bring the most joy.
A decimal number is simply a way of representing a number in such a way that the place value of each digit is ten times that of the digit to its right. A decimal representation does not require a decimal point. So the required decimal representation is 420, exactly as in the question.
420% = 4.2
It is 0.35
4.20
420 x 0.3 ------ 1260 then move the decimal one place to the left because of the decimal in 0.3 126.0
It is 0.35
4.2
4.2
It is 0.65
It is: 165/420 times 100 = 39.29% rounded to two decimal places
To find 85 percent of 420, you multiply 420 by 0.85 (which represents 85 percent as a decimal). So, 420 x 0.85 = 357. Therefore, 85 percent of 420 is 357.
Expressed as a surd in its simplest form, sqrt(420) = 2 sqrt(105). Expressed as a decimal, rounded to two decimal places, this is equal to 20.49.
It is: 165/420 times 100 = 39.29% rounded to two decimal places