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Quiz : Type the product obtained on multiplying the following decimals. 
1. 15.6 x 9 =
Answer: 140.4156 x 9 = 1404.0
There is 1 decimal place in 15.6, so the product must have 1 decimal place.
Thus, 15.6 x 9 = 140.4 2. 4.42 x 4 =
Answer: 17.68442 x 4 = 1768
There are 2 decimal places in 4.42, so the product must have 2 decimal places.
Thus, 4.42 x 4 = 17.68 3. 8.02 x 6 =
Answer: 48.12802 x 6 = 4812
There are 2 decimal places in 8.02, so the product must have 2 decimal places.
Thus, 8.02 x 6 = 48.12
4. 66.4 x 8 =
Answer: 531.2664 x 8 = 5312
There is 1 decimal place in 66.4, so the product must have 1 decimal place.
Thus, 66.4 x 8 = 531.2 5. 2.09 x 10 =
Answer: 20.9209 x 10 = 2090
There are 2 decimal places in 2.09, so the product must have 2 decimal places.
Thus, 2.09 x 10 = 20.9 = 20.9
Tip: When 2.09 is multiplied by 10 , the decimal point shifts to the right by 1 place(s).
Try the Quiz : Arithmetic Homework Help : Decimal Multiplication
