contestada

How many significant figures are in the measurement 0.020 km?
a.
1
b.
2
c.
3
d.
4


Please select the best answer from the choices provided

A
B
C
D

Respuesta :

Answer:3

Explanation:

Answer:

2

Explanation:

0.020 has two significant figures.

The 2 is significant because all non-zero numbers are signficant.

The second 0 is significant because all zeros at the end of a decimal are significant.

The other zeros are not significant, because they are just place holders.

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