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3.14159
Pi to 5 decimal places is about 3.14159
5 of them.
5.
It is false.0.2 * 25 = 5, which has no decimal places.
There are 5 - unless one of the multiplicands ends in 5 and the last digit of the other is even.
The number 5. This would round up, however, if ten decimal places are used. Pi to 10 decimal places is 3.1415926536 (5 rounded up to 6). Backspace
If a number has no decimal places it is a whole number, so 5 is a whole number but 1.566 is not.
2 decimal places is the second number after the decimal point. So in 13.256 the 5 is the second decimal place. To round, you look at the number to the right of the decimal place you want to round to. So in 13.256 we look at the 6. If a number is greater than or equal to 5 you round up, if the number is less than 5 you round down. So 13.256 rounded to 2 decimal places is 13.26%
5/16 can be converted into a percent by converting it ito a decimal and then moving the decimal point two places to the right. To convert a fraction into a decimal number, divide the top number (5) by the bottom number (16): 5/16 = 5 ÷ 16 = .3125, then move the decimal 2 places to the right = 31.25%
When you have to get a number correct to X decimal places, you look at the number in X+1 place. If that number is 5 or more you add 1 to the number in X place, otherwise you leave the number in X place as it is. So, 5.9829 correct to three decimal places is 5.983,And, 5.982 correct to two decimal places is 5.89
A number in scientific notation should have one number before the decimal place then two after. You move the decimal so this is true, then the number of places you moved the decimal will be the exponent. If you move the decimal to the right your exponent will be negative, if you move it to the left it will be positive. In this case you would move the decimal 5 places so you have 1.05x10^-5.