How do you solve #0.021\times 3.7#?

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Answer 1 · 2018-01-16T23:04:58

0.0777

1) Get rid of the decimals, by converting each number into a fraction:

#0.021 = 21/1000#

#3.7 = 37/10#

2) Multiply the two like you would multiply a fraction:

#21/1000*37/10 = 777/10000#

3) Do step 1 but in reverse to get from the fraction to the decimal:

#777/10000 = 0.0777#