L4-1 Notes:

1
Chapter 4

• L4-1 Notes
• Multiplying Decimals w/ Whole Numbers

2
Multiplying Decimals

• When multiplying a decimal by a whole number,
  multiply as with whole numbers. Then, count the
  number of decimal places.
• Example 14.2 6
• Example 0.83 9
• Example 42 6.7

3
Annex Zeros in the Product

• If there are not enough decimal places in the
  product, you need to annex zeros to the left.
• Example 2 0.018
• Example 0.0027 4

4
Scientific Notation

• Use order of operation.
• OR
• Move the decimal to the right (exponent) spaces.
  Annex zeros.

5
On Your Own

1. 7 2.04
2. 3 0.02
3. 8.71 12
4. 7.9 10³