Estimating Products Example 1: 78. Example 2: 437. Example 1: 80 x 30. Example 2: 40 x 700. Step 1: Round 2 and 3 digit numbers to the nearest ten or hundred. Do not round one-digit numbers. Step 2: Multiply the non-zero digits. Step 3: Write the number of zeroes in the rounded numbers on the end of the answer.
so if you have 15k and 73% and 8 hours what you need to do is do the math and do 15x8 what did you get so you have to go to the 73% what was you answer to 15x8 add that to 73 and you can do 45 in to 100
