1) In the number 507, which digit is the 1st significant figure? a) 5 b) 0 c) 7 d) None 2) In the number 0.00452, which digit is the 2nd significant figure? a) 0 b) 4 c) 5 d) 2 3) In the number 12300, which digit is the 3rd significant figure? a) 1 b) 2 c) 3 d) 0 4) In the number 0.0370, which digit is the 1st significant figure? a) 0 (1st after decimal) b) 3 c) 7 d) 0 (at end) 5) In the number 6.020, which digit is the 4th significant figure? a) 6 b) 0 (1st) c) 2 d) 0 (2nd) 6) In the number 100.0, which digit is the 2nd significant figure? a) 1 b) 0 (1st) c) 0 (2nd) d) 0 (3rd) 7) In the number 0.0520, which digit is the 2nd significant figure? a) 0 (after decimal) b) 5 c) 2 d) 0 (at the end) 8) In the number 5000, which digit is the 1st significant figure? a) 5 b) 0 (1st) c) 0 (2nd) d) 0 (3rd) 9) In the number 0.0890, which digit is the 3rd significant figure? a) 0 (1st after decimal) b) 8 c) 9 d) 0 (at end) 10) In the number 1278435, which digit is the 4th significant figure? a) 1 b) 2 c) 7 d) 8 e) 4 f) 3

Identifying significant figures

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