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Quiz : Type the product obtained on multiplying the following decimals. 
1. 34.2 x 7 = Answer: 239.4342 x 7 = 2394.0
There is 1 decimal place in 34.2, so the product must have 1 decimal place.
Thus, 34.2 x 7 = 239.4
2. 2.27 x 2 = Answer: 4.54227 x 2 = 454
There are 2 decimal places in 2.27, so the product must have 2 decimal places.
Thus, 2.27 x 2 = 4.54
3. 9.81 x 5 = Answer: 49.05981 x 5 = 4905
There are 2 decimal places in 9.81, so the product must have 2 decimal places.
Thus, 9.81 x 5 = 49.05
4. 78.7 x 6 = Answer: 472.2787 x 6 = 4722
There is 1 decimal place in 78.7, so the product must have 1 decimal place.
Thus, 78.7 x 6 = 472.2
5. 9.87 x 10 = Answer: 98.7987 x 10 = 9870
There are 2 decimal places in 9.87, so the product must have 2 decimal places.
Thus, 9.87 x 10 = 98.7 = 98.7
Tip: When 9.87 is multiplied by 10 , the decimal point shifts to the right by 1 place(s).
Try the Quiz : Arithmetic Homework Help : Decimal Multiplication
