Lilly let her friend borrow 1/10 of the money in her purse to buy a snack. How do you write the fraction as a decimal?

1 Answer
KillerBunny
Jun 21, 2018

#0.1#

Explanation:

You may simply input #1 \div 10# on a calculator to get the answer, but in this case it is easy to make the computation: dividing by #10# means to shift the decimal separator one step left, possibly adding zeroes when needed.

So, adding apparently useless zeroes, if you think of #1# as #01.0# and move the decimal separator one step left you get #0.10# which is #0.1#

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