Combine and simplify these radicals

Step-by-step explanation:

A

Step-by-step explanation:

One property of radicals is that if we have the nth root of a multiplied by the nth root of b:

Here, we have the square root of 8 multiplied by the square root of 20, so we can combine these into one radical:

160 can be written as: 4² * 10. So, we have:

We know that the square root of 4 squared is simply 4, but we cannot further simplify 10. So, we have:

Our answer is thus A.

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