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1) Complete the sentences to explain how to multiply 4.56 x 1,000.

Y
1) Click the arrows to choose an answer from each menu.
The number 1,000 has Choose... factors of 10. To multiply 4.56 x 1,000, the
decimal point in 4.56 should be moved Choose... places to the right.
4.56 x 1,000 is equal to Choose...
Done


User Jobbo
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1 Answer

10 votes

Answer:

The decimal point should be moved 3 units to the right, and the result of the multiplication is 4560.

Explanation:

Multiplication of a decimal by the nth power of 10:

In this case, the decimal point should be moved n units to the right.

Division of a decimal by the nth power of 10:

In this case, the decimal point should be moved n units to the left.

In this question:

We multiply the decimal 4.56 by 1000.

1000 is the 3rd power of 10, because
10^3 = 1000. So the decimal point should be moved 3 units to the right, and the result of the multiplication is 4560.