= 8.25 times (100- 1)

=8.25x 100-8.25

=825-8.25

=8 16.75

Arithmetic of decimal multiplication:

1, first quadrature according to the law of integer multiplication.

2. See how many decimal places the multiplicand and multiplier * * * have. Just count the numbers from the right side of the product and point to the decimal point.

3. If there is a 0 after the decimal point, cross out the 0 after the decimal point according to the basic properties of the decimal point.