Sam solved a multiplication problem as shown below. He thought that it was an easy problem but did not get it right. What did he do wrong? Identify and correct Sam's mistake.

12.03 x 0.76 = ?
12.03
x 0.76
--------------
7218
84210
--------------
914.28

Question

Sam solved a multiplication problem as shown below. He thought that it was an easy problem but did not get it right. What did he do wrong? Identify and correct Sam's mistake. 

12.03 x 0.76 = ?
     12.03
x     0.76
--------------
      7218
     84210
--------------
     914.28

watchmath · Answer

it should be 9.1428

anonymous · Answer

What did he do wrong?

anonymous · Answer

he didnt move the decimal point over  correctly

anonymous · Answer

ohh

anonymous · Answer

he only moved it 2 spaces over instead of 4

anonymous · Answer

one last thing how would i Identify and correct Sam's mistake.

anonymous · Answer

uh by finishing moving the decimal points over 2 more? he only did it for one number, but he forgot to do it for both numbers

watchmath · Answer

you need to use your common sense as your helper. Here we multiply two numbers. One is approximately 12 and the other is less than 1. So the product should be smaller than 12.

anonymous · Answer

oh duh sorry mates

anonymous · Answer

There are a total of 4 decimal places so you should move the decimal to the left 2 more places.

anonymous · Answer

i'm a wee bit out of me head today