Decimal Multiplication: Place the Decimal Point in 0.3 × 2.15 = 0645

Question

Look at the following exercise and work out the correct place of the decimal point in the answer:

0.3×2.15=0645 0.3\times2.15=0645

Video Solution

Step-by-Step Solution

In the number -0.3, there is one digit after the decimal point: 3.

In the number 2.15, there are two digits after the decimal point: 15.

Therefore, we have three digits after the decimal point.

To find the answer, we will count three decimal places to the left, which gives us -0.645.

Answer

0.645 0.645