In the decimal system, each column represents a power of 10. The ones column, located just to the left of the decimal place, represents 10 to zero power. The tenths column, located just to the right of the decimal, represents 10 raised to -1 power. For example, in the number 4.3, "4" is the ones column and "3" is in the tenths column. You can use any one of three methods to convert from ones to tenths.
Instructions
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1
Multiply the number of ones by 10 to convert to tenths. For example, if you have 4 ones, multiply 4 by 10 to get 40 tenths.
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2
Divide the number of ones by 0.1 to convert to tenths. In this example, divide 4 by 0.1 to get 40 tenths.
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3
Move the decimal place one place to the right to convert from ones to tenths. In this example, start with 4.0 and move the decimal place one place to get 40 tenths.