Multiplying decimals by 10, 100, and 1000.To multiply a decimal by a whole number: Change the decimal to a whole number divided by a power of ten. Rewrite the question as a whole number ...

Then, multiply each part by 6. 8 × 6 = 48 0.7 × 6 = 4.2 The second calculation may look difficult at first, but you can calculate it by knowing that 0.7 × 6 is six lots of seven-tenths. That's ...