21/30 - 6/10

1 ÷ 8

4/5 + 7/10

1/4 divided by 3

A rope 9.7 meters long is cut into 4 pieces. How long is each piece?

0.89 x 10 to the 3rd power

When Hugo puts a book and a candle on a scale, the scale reads 8.705 lbs. When he removes the book, the scale reads 4.93 lbs. How much does the book weigh?

A restaurant pours 20 gallons of water into 15 pitchers. How much water is in each pitcher? Write your answer as a fraction of a gallon.

0.48 x 0.8 =

How is the number five thousand and eighty-five thousandths written in standard form?

4 - 3/7

1.2 x 9 =

Change 3 1/6 to an improper fraction.