how many significant figures are in the measurement 0.020 km?\na. 1\nb. 2\nc. 3\nd. 4\nplease select the…

how many significant figures are in the measurement 0.020 km?\na. 1\nb. 2\nc. 3\nd. 4\nplease select the best answer from the choices provided\no a\no b\no c\no d
Answer
Answer:
B. 2
Explanation:
Step1: Recall significant - figure rules
Leading zeros are not significant.
Step2: Identify significant digits
In 0.020 km, the non - zero digit 2 and the trailing zero after 2 are significant. So there are 2 significant figures.