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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 35.8 x 3 =
Answer: 107.4358 x 3 = 1074.0
There is 1 decimal place in 35.8, so the product must have 1 decimal place.
Thus, 35.8 x 3 = 107.4
2. 4.05 x 7 =
Answer: 28.35405 x 7 = 2835
There are 2 decimal places in 4.05, so the product must have 2 decimal places.
Thus, 4.05 x 7 = 28.35
3. 6.80 x 7 =
Answer: 47.60680 x 7 = 4760
There are 2 decimal places in 6.80, so the product must have 2 decimal places.
Thus, 6.80 x 7 = 47.60
4. 78.8 x 9 =
Answer: 709.2788 x 9 = 7092
There is 1 decimal place in 78.8, so the product must have 1 decimal place.
Thus, 78.8 x 9 = 709.2
5. 7.59 x 100 =
Answer: 759759 x 100 = 75900
There are 2 decimal places in 7.59, so the product must have 2 decimal places.
Thus, 7.59 x 100 = 759 = 759
Tip: When 7.59 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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