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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 29.4 x 4 =
Answer: 117.6294 x 4 = 1176.0
There is 1 decimal place in 29.4, so the product must have 1 decimal place.
Thus, 29.4 x 4 = 117.6
2. 3.59 x 8 =
Answer: 28.72359 x 8 = 2872
There are 2 decimal places in 3.59, so the product must have 2 decimal places.
Thus, 3.59 x 8 = 28.72
3. 8.86 x 4 =
Answer: 35.44886 x 4 = 3544
There are 2 decimal places in 8.86, so the product must have 2 decimal places.
Thus, 8.86 x 4 = 35.44
4. 81.1 x 7 =
Answer: 567.7811 x 7 = 5677
There is 1 decimal place in 81.1, so the product must have 1 decimal place.
Thus, 81.1 x 7 = 567.7
5. 5.65 x 10 =
Answer: 56.5565 x 10 = 5650
There are 2 decimal places in 5.65, so the product must have 2 decimal places.
Thus, 5.65 x 10 = 56.5 = 56.5
Tip: When 5.65 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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