Question

Multiply or divide as indicated. r 2 • r • r 5

Answer 1

When multiplying variables , the rule is: if the bases are the same,
Keep the base and ADD the powers.
r^2 * r^1 * r^5
Notice that the r with no power written is an assumed power of 1.
r^8 is the answer

Answer 2

Answer: The required answer is
`r^8.`

Step-by-step explanation: We are given to multiply of divide as indicated in the following expression :

`E=r^2.r.r^5~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)`

Here, the indicated operation is multiplication and we will be using the following property of exponents :

`a^x.a^y=a^(x+y).`

So, from (i), we get

`E\\\\=r^2.r.r^5\\\\=r^(2+1+5)\\\\=r^8.`

Thus, the required answer is
`r^8.`