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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 45.8 x 5 =
Answer: 229.0458 x 5 = 2290.0
There is 1 decimal place in 45.8, so the product must have 1 decimal place.
Thus, 45.8 x 5 = 229.0
2. 1.30 x 3 =
Answer: 3.90130 x 3 = 390
There are 2 decimal places in 1.30, so the product must have 2 decimal places.
Thus, 1.30 x 3 = 3.90
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. 82.7 x 2 =
Answer: 165.4827 x 2 = 1654
There is 1 decimal place in 82.7, so the product must have 1 decimal place.
Thus, 82.7 x 2 = 165.4
5. 4.66 x 10 =
Answer: 46.6466 x 10 = 4660
There are 2 decimal places in 4.66, so the product must have 2 decimal places.
Thus, 4.66 x 10 = 46.6 = 46.6
Tip: When 4.66 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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