900 x 0.10 = 90 900 - 90 = 810
8.10
90 percent of 900 is 810.
90%
810%
807 rounded to the nearest tens is 810
1.8
0.9 = 900/1,000 = 90/100 = 9/10
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 810, exactly as in the question.
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 810, exactly as in the question.
There are 25.4 millimetres in one inch. Therefore, rounded to two decimal places, 810 millimetres is equal to 810/25.4 = 31.89 inches.
630/810 = 7/9