answersLogoWhite

0


Best Answer

Three, because if it were not significant, the final 0 should not be there.

User Avatar

Wiki User

8y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

8y ago

3 of them.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many significant digits does 0.0450 have?
Write your answer...
Submit
Still have questions?
magnify glass
imp