Question

$6.5\times 7.5\times 8.5=x.$ Find the value of $x.$

• A. $414.375$
• B. $415.375$
• C. $413.472$
• D. $414.015$

Answer 1

Answer: (A)

$414.375$

$65$ $4875$
$\times 75$ $\times 85$

_________ _________
$325$ $24375$
+ $455$ + $39000$
_________ __________
$4875$ $414375$
$\therefore x=6.5\times 7.5\times 8.5=414.375$
(Number of decimal places $1+1+1=3$)