It moves two places to the left.
It move two place to the left.
The decimal place "moves" one space to the left.
The decimal point moves to the left.
The '9' is in the "first decimal" place and the '3' is in the "second decimal" place.Rules for roundingIf the number in the second decimal place is 5 or greater then the number in the first decimal place is rounded upwards by 1.If the number in the second decimal place is 4 or less then the number in the first decimal place is left unchanged.As the problem in this case is 3.93 and the number in the second decimal place is less than 5, we end up with3.9 "correct to one decimal place" or "rounded to one decimal place".
387.4
It move two place to the left.
When you divide by ten the decimal point moves one place to the left.
111,100/1,000=111.1
The decimal point moves to the left.
The decimal place "moves" one space to the left.
3.22
34.2
0.708
The '9' is in the "first decimal" place and the '3' is in the "second decimal" place.Rules for roundingIf the number in the second decimal place is 5 or greater then the number in the first decimal place is rounded upwards by 1.If the number in the second decimal place is 4 or less then the number in the first decimal place is left unchanged.As the problem in this case is 3.93 and the number in the second decimal place is less than 5, we end up with3.9 "correct to one decimal place" or "rounded to one decimal place".
If a number is being divided by 10, you can just move the decimal place left by one digit.9/10 = 0.9
387.4
1.1 is to the first decimal place