Which one of the following numbers does not have four signficant. a.1.007g b.0.0

Question

Which one of the following numbers does not have four signficant.
a.1.007g
b.0.0007g
c.1.070g
d.1700.g
e.1.700g
how many signficant figures are persent in 1.519x10 to the power of -2
a.2
b.6
c.1
d.4
The number 0.0040600 has___ tailing zeros
a.0
b.1
c.2
d.6
how many significant digits are persent in the number 6046.2
a.4
b.3
c.5
d.1
match the correct number of sugnficant figures from the second column with each of the numbers in the frist column
__4 a.8.901070
__3 b.4.0
__6 c.0.00201
__5 d.34.3004
__2 e.0.7
__1    f.2.456x10 to the power of -3
__7    g.0.40001

Explanation / Answer

Ans 1 0.0007 g has only 1 significat figure

(2) 1.519*10^-2 has 4 significant figures.

(3)  0.0040600 has 2 tailing zeros

(4) 6046.2 has 5 significant figures )

(5) 8.901070=7

4.0=2

0.00201=3

34.3004=6

0.7=1

2.456*10^-3=4

0.40001=5

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