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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 12.1 x 4 =
Answer: 48.4121 x 4 = 484.0
There is 1 decimal place in 12.1, so the product must have 1 decimal place.
Thus, 12.1 x 4 = 48.4
2. 1.44 x 5 =
Answer: 7.20144 x 5 = 720
There are 2 decimal places in 1.44, so the product must have 2 decimal places.
Thus, 1.44 x 5 = 7.20
3. 6.41 x 3 =
Answer: 19.23641 x 3 = 1923
There are 2 decimal places in 6.41, so the product must have 2 decimal places.
Thus, 6.41 x 3 = 19.23
4. 86.9 x 6 =
Answer: 521.4869 x 6 = 5214
There is 1 decimal place in 86.9, so the product must have 1 decimal place.
Thus, 86.9 x 6 = 521.4
5. 6.41 x 100 =
Answer: 641641 x 100 = 64100
There are 2 decimal places in 6.41, so the product must have 2 decimal places.
Thus, 6.41 x 100 = 641 = 641
Tip: When 6.41 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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