When you are multiplying 2 numbers with exponents, you need to add the exponent. When you multiply an exponent with an exponent, you multiply them.
So,
(3^2 x 7^4) ^9
First multiply the base and add exponents = ( 21^6) ^9
= 21 ^6x9
21^54
The same rule applies for variables, just pretend there is an imaginary 1.
Answer:
Step-by-step explanation:
827/200
Answer:3/19
Step-by-step explanation:
5/19 - 2/19 = 3/19
1.15¹⁰=4.0456, the growth rate, so the increase is 3.0456 or 305%.
Answer:
8
Step-by-step explanation:
If we have anything to the third power, we are multiplying the number by itself 3 times.
If x = 2, then the expression is
.

Hope this helped!