Question

The value of expression $(18{)}^2\times (5{)}^2$ is

• A. 81
• B. 810
• C. 8100
• D. 81000

Answer 1

The correct option is C

8100

The given expression is $(18{)}^2\times (5{)}^2$

$(18{)}^2\times (5{)}^2[x^2{y}^2=(xy{)}^2]$

$=(90{)}^2$

$=8100$