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HannahW7024
13.07.2019 •
Mathematics
What is the square root of 22 rounded to four decimal places as needed?
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Ответ:
If you can use a calculator, simply ask for the square root of 22 and you will be given something like this (depending on the number of digits the calculator can hold):
We want to round it to four decimal places, so we only want four digits after the decimal separator. Our only doubt will be on the fourth decimal digit.
So, we must choose between
To make this decision, we need the next decimal digit, i.e. the fifth, which is 1. If the fifth digit is 0,1,2,3 or 4, which is the case, we round down, so the answer is 4.6904.
If the fifth digits was 5,6,7,8 or 9, we would have rounded up, so the answer would have been 4.6905.
Ответ:
5(4k + 3)
Step-by-step explanation:
What is the common factor of 20 and 15?
It is 5.
So you can take the 5 out of both of them and divide both of them like
5 times 4 and 5 times 3
You now get rid of the 5
5(4+3)
BUT WAIT
there was a k in 20k.
So you
put the k next to the 4.
So you get
5(4k + 3)
done