Multiplying Decimals 3 X 2 Digit

To properly place the decimal for your answer when multiplying decimal numbers you must:

• line up the decimal numbers first to place the decimal point

• move the decimal in the divisor all the way to the right and do the same amount of moves for the dividend

• count the digits behind the decimal points

• multiply then line up the digits

How many digits will be behind the decimal in the answer for the problem 0.9 × 53.8 ?

• 1 digit

• 2 digits

• 3 digits

• 4 digits

81.9 x 0.5 =

• 40.95 

• 409.5

• 40.02

• 400.2

10.3 x 2 = 

•  20.6

• 2.06

• 20.46

• 204.6

15.9 x 0.8

• 12.72 

• 127.2

• 12.91

• 129.1

4.2 x 0.7 =

• 2.94 

• 29.4

• 2.73

• 27.3

0.3 x 0.5

• 0.15

• 1.5

• 15

• 150

0.5 x 32

• 17

• 16

• 15.5

• 16.5

0.2 x 0.8

• 16

• 0.16

• 0.016

• 1.6

45.1 x 7

• 31.57

• 315.7

• 3,157

• 3.157