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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 22.7 x 4 =
Answer: 90.8227 x 4 = 908.0
There is 1 decimal place in 22.7, so the product must have 1 decimal place.
Thus, 22.7 x 4 = 90.8
2. 3.74 x 5 =
Answer: 18.70374 x 5 = 1870
There are 2 decimal places in 3.74, so the product must have 2 decimal places.
Thus, 3.74 x 5 = 18.70
3. 8.31 x 8 =
Answer: 66.48831 x 8 = 6648
There are 2 decimal places in 8.31, so the product must have 2 decimal places.
Thus, 8.31 x 8 = 66.48
4. 96.9 x 9 =
Answer: 872.1969 x 9 = 8721
There is 1 decimal place in 96.9, so the product must have 1 decimal place.
Thus, 96.9 x 9 = 872.1
5. 4.29 x 100 =
Answer: 429429 x 100 = 42900
There are 2 decimal places in 4.29, so the product must have 2 decimal places.
Thus, 4.29 x 100 = 429 = 429
Tip: When 4.29 is multiplied by 100 , the decimal point shifts to the right by 2 place(s).
Try the Quiz : Arithmetic Homework Help : Decimal Multiplication
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