Solved Examples and Worksheet for Multiplying Decimals

Q1Find: 0.5 × 0.14

A. 0.070
B. 0.7
C. 7
D. 0.64

Step: 1
0.5 × 0.14
  [Original expression.]
Step: 2
     [1 decimal place.]     [2 decimal places.]
0.5
× 0.14

0.070
  [3 decimal places are required. Place the decimal point so that there are three decimal places in the product.]
Step: 3
The product of 0.5 × 0.14 is 0.070.
Correct Answer is :   0.070
Q2Find the value of 10.7 × 2.7.
A. 28.89
B. 28.9
C. 28.99
D. 29

Step: 1
10.7 × 2.7
  [Original expression.]
Step: 2
       [1 decimal place.]       [1 decimal place.]       [Multiply with 7.]       [Multiply with 2.]
10.7
×  2.7

749
214  

28.89
  [2 decimal places are required. Place the decimal point so that there are two decimal places in the product.]
Step: 3
The value of 10.7 × 2.7 is 28.89
Correct Answer is :   28.89
Q3Find the product of 2.4 and 1.5.

A. 3.50
B. 3.60
C. 3.80
D. 3.70

Step: 1
2.4 × 1.5
  [Original expression.]
Step: 2
2.4 
× 1.5 

3.60 
  
[1 decimal place.]
[1 decimal place.]


[2 decimal places are required.]
Step: 3
The product of 2.4 and 1.5 is 3.60
Correct Answer is :   3.60
Q4Find the product of 1.11 and 1.11.
A. 1.2421
B. 1.1321
C. 1.3321
D. 1.2321

Step: 1
1.11 and 1.11
  [Original decimals.]
Step: 2
          1.11        [2 decimal places.]
     ×   1.11        [2 decimal places.]
.....................
            111
       111
+ 111
.....................
    1.2321          [4 decimal places.]
.....................
Step: 3
The product of 1.11 and 1.11 is 1.2321.
Correct Answer is :   1.2321
Q5Simplify:
4.34 × 14.42

A. 62.5828
B. 62.6949
C. 63.5948
D. 62.5948

Step: 1
4.34 × 14.42
  [Original expression.]
Step: 2
    14.42
 ×   4.34
_________
    5768
  4326
5768
_________
62.5828
_________
Step: 3
So, 4.34 × 14.42 is 62.5828.
Correct Answer is :   62.5828
Q6Evaluate:
87.5 × 12.65

A. 1071.275
B. 1106.875
C. 1143.275
D. 1113.275

Step: 1
87.5 × 12.65
  [Original expression.]
Step: 2
    12.65        [Two decimal places.]
 × 87.5          [One decimal places.]
.................
    6325
  8855
10120
...................
1106.875          [Three decimal places.]
...................
Step: 3
So, 12.65 × 87.5 = 1106.875.
Correct Answer is :   1106.875
Q7Find the value of 10.9 × 2.3.

A. 25.08
B. 25.17
C. 25.18
D. 25.07

Step: 1
10.9 × 2.3
  [Original expression.]
Step: 2
10.9
×  2.3

327
218  

25.07
  
[1 decimal place.]
[1 decimal place.]


[Multiply with 3.]
[Multiply with 2.]


[2 decimal places are required. Place the decimal point so that there are two decimal places in the product.]
Step: 3
The value of 10.9 × 2.3 is 25.07
Correct Answer is :   25.07
Q8Find: 1.5 × 0.12
A. 1.8
B. 0.180
C. 1.62
D. 18

Step: 1
1.5 × 0.12
  [Original expression.]
Step: 2
1.5
× 0.12

0.180
  
[1 decimal place.]

[2 decimal places.]

[3 decimal places are required. Place the decimal point so that there are three decimal places in the product.]
Step: 3
The product of 1.5 × 0.12 is 0.180.
Correct Answer is :   0.180
Q9Find the product of 1.8 and 1.6.
A. 22.8
B. 3.88
C. 2.88
D. 8.22

Step: 1
1.8 × 1.6
  [Write the expression.]
Step: 2

Step: 3
So, the product of 1.8 and 1.6 is 2.88.
Correct Answer is :   2.88
Q10Find the product of 6.6 and 4.4.
A. 9.4
B. 92.4
C. 29.04

Step: 1
6.6 × 4.4
  [Write the expression.]
Step: 2

Step: 3
So, the product of 6.6 and 4.4 is 29.04.
Correct Answer is :   29.04
Q11Find the product of 9.62 and 11.5.
A. 110.630
B. 121.250
C. 122.250

Step: 1
9.62 × 11.5
  [Write the expression.]
Step: 2

Correct Answer is :   110.630
Q12Find: 1.5 × 0.12

A. 1.8
B. 0.180
C. 18
D. 1.62

Step: 1
1.5 × 0.12
  [Original expression.]
Step: 2
1.5
× 0.12

0.180
  
[1 decimal place.]

[2 decimal places.]

[3 decimal places are required. Place the decimal point so that there are three decimal places in the product.]
Step: 3
The product of 1.5 × 0.12 is 0.180.
Correct Answer is :   0.180
Q13Find the value of 11.7 × 1.3.

A. 15.32
B. 15.22
C. 15.21
D. 15.31

Step: 1
11.7 × 1.3
  [Original expression.]
Step: 2
11.7
×  1.3

351
117  

15.21
  
[1 decimal place.]
[1 decimal place.]


[Multiply with 3.]
[Multiply with 1.]


[2 decimal places are required. Place the decimal point so that there are two decimal places in the product.]
Step: 3
The value of 11.7 × 1.3 is 15.21
Correct Answer is :   15.21
Q14Multiply:
4.3 × 0.17

A. 4.3
B. 4.47
C. 4.13
D. 0.731

Step: 1
4.3
×0.17

301
430
0000

0.731[1 decimal place + 2 decimal places = 3 decimal places.]

Step: 2
So, 4.3 × 0.17 = 0.731
Correct Answer is :   0.731
Q15Multiply 4.5 by 6.7.
A. 3922
B. 3.22
C. 30.2
D. 30.15

Step: 1
4.5 × 6.7
  [Wite the expression.]
Step: 2

Correct Answer is :   30.15