Across
- 2. Prefix for one quadrillionth.
- 5. 1 followed by 15 zeros.
- 7. 1 followed by 30 zeros.
- 8. Prefix for one thousand.
- 9. 1 followed by 100 zeros.
Down
- 1. 1 followed by 24 zeros.
- 3. 1 followed by 303 zeros.
- 4. Prefix for one trillionth.
- 6. Prefix for one tenth.
- 7. Prefix for one billionth.