How many significant figures are there in the number 108 486?

Three

Four

Five

Six

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?

Know and apply standard form, significant figures, rounding, and decimal place value