Question 70777
When multiplying exponents with like-bases, add the exponents:
{{{(7u^6 * 4u^3)}}}
{{{(7*4*u^(6+3))}}}

{{{(28u^9))}}}
.
When multiplying exponents that are RAISED TO A POWER, mutliply the exponents:
Example:
{{{(7u^6)^3)}}}

{{{(7^3u^(6*3))}}}
{{{(343u^18))}}}