3 years ago

PLS HELP Round the square root of 426 to the nearest thousandth

Mathematics

1 answer:

Arada [10]3 years ago

7 0

Answer:

20.640

Step-by-step explanation:

√426 ≈ 20.6397674406

The digit in the ten-thousandths place (bold) is more than 4 so 1 needs to be added to the thousandths place to round the number. Then, 39 thousandths becomes 40 thousandths, and the rounded number is ...

... 20.640

_____

Since you are asked to round to thousandths, you must show the thousandths digit of the rounded number, even though it is zero. This identifies the number as having precision to thousandths, even though it can be expressed using only hundredths.

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