multiply. $-7u^{3}cdot 5u$ simplify your answer as much as possible.

$multiply. $-7u^{3}cdot 5u$ simplify your answer as much as possible.$

multiply.
$-7u^{3}cdot 5u$
simplify your answer as much as possible.

$-7 \times 5 = -35$

$u^3 \times u = u^{3+1} = u^4$

Multiply the coefficient result with the variable result.

$-35u^4$