Feedback: Not quite! Multiply 15.2 by 8.5. Ignore the decimal points and calculate 152 × 85 = 12,920. Count the total decimal places: 1 in 15.2 and 1 in 8.5, so 2 total. Move the decimal point 2 places to the left, giving 129.2 kilometers.
Feedback: Well done! Multiply 15.2 by 8.5. Ignore the decimal points and calculate 152 × 85 = 12,920. Count the total decimal places: 1 in 15.2 and 1 in 8.5, so 2 total. Move the decimal point 2 places to the left, giving 129.2 kilometers.