answersLogoWhite

0


Best Answer

Three

Four: 4, 2, 7, 0 (right zero's are significant, left zero's are NOT - so 0.0724 has 3 signif.'s)

User Avatar

Wiki User

13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many significant digits does this number have 42.70?
Write your answer...
Submit
Still have questions?
magnify glass
imp