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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 18.4 x 2 =
Answer: 36.8184 x 2 = 368.0
There is 1 decimal place in 18.4, so the product must have 1 decimal place.
Thus, 18.4 x 2 = 36.8
2. 1.78 x 5 =
Answer: 8.90178 x 5 = 890
There are 2 decimal places in 1.78, so the product must have 2 decimal places.
Thus, 1.78 x 5 = 8.90
3. 8.56 x 6 =
Answer: 51.36856 x 6 = 5136
There are 2 decimal places in 8.56, so the product must have 2 decimal places.
Thus, 8.56 x 6 = 51.36
4. 56.7 x 9 =
Answer: 510.3567 x 9 = 5103
There is 1 decimal place in 56.7, so the product must have 1 decimal place.
Thus, 56.7 x 9 = 510.3
5. 7.02 x 10 =
Answer: 70.2702 x 10 = 7020
There are 2 decimal places in 7.02, so the product must have 2 decimal places.
Thus, 7.02 x 10 = 70.2 = 70.2
Tip: When 7.02 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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