Question

Fill in the blanks:
$15\times (-3)=.............$

Answer 1

To Fill in the blanks

$\left(15\right)\times (-3)=.........$

As we know that $(-)\times (+)=-$

Therefore , on Multiplying this

$(-\times +)\times (15\times 3)$

$=-(15\times 3)$

$=-45$