the answer is 90
10.92*10 is 109.2
2.8 multiplied by 10 to yhe ninth power is 2,800,000,000. To arrive at this answer you'd move the decimal point to the right nine times adding zeroes as place holders, not to be confused with adding nine zeroes.
The answer to 25 divided by 3 multiplied by 387 multiplied by nine squared is 123,525.
Expressed as a proper fraction in its simplest form, 1/10 x 3/10 x 6/10 = 9/500 or nine five-hundredths.
Nine multiplied by 876 is 7,884
Nine multiplied by 4,608 is 41,472
It is multiplied by nine.
729
54
36
77
360