Question

Match the number in this mathematical expression with the number significant digits they have .

18.34cm +9.02603cm -20.2cm +150cm

1. 150cm. a.4

2. 9.02603 cm. b.6

3. 18.34cm. c. 2

4. 20.2cm. d.3
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Answer 1

Please check your question well. Otherwise I think there's no matching.