Number of decimal places in the given expression = 8Number of decimal places in (A) = 8Number of decimal places in (B) = 9 Number of decimal places in (C)= 7Clearly , the expression in (A) is the same as the given Expression.
Sum of the decimal places = 7 .Since the last digit to the extreme right will be zero ( 5 * 4 = 20), so there will be 6 significant digits to the right of the decimal point....
EXAMIANS