Write each expression using a single exponent

4^4/4^6

1/4^2 or 1/16

simplify 5^0

Any number raised to the power of 0 is always 1. Therefore, 5^0 = 1.

7^4/7^2 equal less than or more then 49

We can simplify 7^4/7^2 as:

7^4/7^2 = 7^(4-2) = 7^2

Therefore:

7^4/7^2 = 7^2 = 49

Since the equation simplifies to 49, we can say that:

7^4/7^2 = 49

And therefore, 7^4/7^2 is equal to 49.

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Multiply the following polynomials.

2r(8r+5)

When multiplying the polynomial 2r with the expression (8r+5), we distribute the 2r to both terms inside the parentheses:

2r(8r+5) = (2r*8r) + (2r*5)

Simplifying this expression:

2r(8r+5) = 16r^2 + 10r

Therefore, the product of the polynomials 2r and (8r+5) is 16r^2 + 10r.

Multiply the following polynomials.

-2r(8r+5)