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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 39.4 x 3 =
Answer: 118.2394 x 3 = 1182.0
There is 1 decimal place in 39.4, so the product must have 1 decimal place.
Thus, 39.4 x 3 = 118.2
2. 3.25 x 6 =
Answer: 19.50325 x 6 = 1950
There are 2 decimal places in 3.25, so the product must have 2 decimal places.
Thus, 3.25 x 6 = 19.50
3. 5.91 x 8 =
Answer: 47.28591 x 8 = 4728
There are 2 decimal places in 5.91, so the product must have 2 decimal places.
Thus, 5.91 x 8 = 47.28
4. 69.0 x 9 =
Answer: 621.0690 x 9 = 6210
There is 1 decimal place in 69.0, so the product must have 1 decimal place.
Thus, 69.0 x 9 = 621.0
5. 3.03 x 10 =
Answer: 30.3303 x 10 = 3030
There are 2 decimal places in 3.03, so the product must have 2 decimal places.
Thus, 3.03 x 10 = 30.3 = 30.3
Tip: When 3.03 is multiplied by 10 , the decimal point shifts to the right by 1 place(s).
Try the Quiz : Arithmetic Homework Help : Decimal Multiplication
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