Multiplying of Decimals with Powers of 10

Q.

3 in 34.51 is in the tens place .

1. True
2. False

Q.

2.56 x 10 = ?

1. 0.256

2. 256

3. 2.056

4. 25.6

Q.

Calculate the product of 1.345 and 1000

1. 13.45

2. 134.50

3. 1345

4. 13450.0

Q.

What should be multiplied to 22.47 to get 2247 ?

1. 1

2. 10

3. 100

4. 1000

Q.

0.02 x 1000 = ___

1. 2

2. 20

3. 200

4. 0.2

Q.

32.689 × ${10}^1$ = ?

32.689 ÷ ${10}^2$ = ?

32.689 × ${10}^3$ = ?

1. 326.89, 0.32689, 32689

2. 32.689, 326.89, 3268.9

3. 3.2689, 32.689, 326.89

4. None of these

Q.

State true or false:

391.2 x 1000 = 39120

1. True

2. False

Q. 463.5 should be divided by to get 4.635.

1. 10
2. 100
3. $\frac{1}{10}$
4. $\frac{1}{100}$

Q. Burst the bubbles in which the decimal has been shifted to the right.

1. 1 to 10
2. 10 to 1
3. 11.11 to 111.1
4. 7.77 to 77.70
5. 5.0 to 50
6. 2 to 0.2
7. 1.45 to 14.5
8. 632 to 63.2

Q. 10.0101 = 10.01010

1. False
2. True