Approximation and Errors

Hong Kong

Stage 1 - Stage 3

How many significant figures are there in the number $108486$108486?

Three

A

Four

B

Five

C

Six

D

Easy

Less than a minute

What is the smallest possible number of significant figures in the number $1500000$1500000?

How many significant figures are there in the in the number $5105$5105?

How many significant figures are there in the number $0.20$0.20?

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