Worked examples
Two examples
Example 1
106 =
- 1 followed by 6 zeros.
Answer: 1,000,000
Example 2
10,000 = 10?
- Count the zeros after the 1: four.
Answer: 4
Where this is taught: Quiz 29: Exponents, “Powers of ten”
The drill
Ten problems
How many:
Type each answer, then press Check my answers at the bottom. Commas in large numbers are fine.Write each answer on the line. The answer key, with the reasoning, is on the last page.