21 square root of 8 (21√8)

Here we will show you how to calculate 21 square root of 8, which is the same as 21√8, which again is the same as 21 times √8. In other words, we will calculate 21 × √8.

We will not only calculate the 21 square root of 8 decimal answer, but we will also calculate 21 square root of 8 simplified. We will start by calculating the decimal answer to 21 square root of 8, as follows:

1. Find the square root of 8:
√8 ≈ 2.828427

2. Multiply 21 by the square root of 8:
21 × 2.828427 = 59.396967

21√8 ≈ 59.396967

To get the answer to 21 square root of 8 simplified, we first determine if √8 can be simplified, and then we multiply what is outside the radical (√) by 21 to get 21 square root of 8 simplified.

√8 can be simplifed to 2√2. Therefore, 21 square root of 8 simplifed can be calculated like this:

21 × 2 × √2 = 42√2

21√8 simplified = 42√2

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