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| Quiz : Type the product obtained on multiplying the following decimals. |
1. 47.2 x 7 =
Answer: 330.4472 x 7 = 3304.0
There is 1 decimal place in 47.2, so the product must have 1 decimal place.
Thus, 47.2 x 7 = 330.4
2. 4.33 x 3 =
Answer: 12.99433 x 3 = 1299
There are 2 decimal places in 4.33, so the product must have 2 decimal places.
Thus, 4.33 x 3 = 12.99
3. 6.94 x 2 =
Answer: 13.88694 x 2 = 1388
There are 2 decimal places in 6.94, so the product must have 2 decimal places.
Thus, 6.94 x 2 = 13.88
4. 92.7 x 3 =
Answer: 278.1927 x 3 = 2781
There is 1 decimal place in 92.7, so the product must have 1 decimal place.
Thus, 92.7 x 3 = 278.1
5. 3.77 x 10 =
Answer: 37.7377 x 10 = 3770
There are 2 decimal places in 3.77, so the product must have 2 decimal places.
Thus, 3.77 x 10 = 37.7 = 37.7
Tip: When 3.77 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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