Posted by **aira** on Sunday, May 11, 2014 at 5:34pm.

how many significant figures do the following numbers have?

a. 1.2056 x 10^4 m:

b. 1 x 10^89 km:

c. 12,000 L:

d. 0.000345 cm:

e. 1.00036 mL:

f. 0.2056000 m:

- chemistry -
**Devron**, Sunday, May 11, 2014 at 5:42pm
a. 1.2056 x 10^4 m: ==> 5

b. 1 x 10^89 km: ==> 1

c. 12,000 L: ==>2 Trailing 0's are significant if no decimal is present.

d. 0.000345 cm: ==>3 Leading 0's are significant.

e. 1.00036 mL:

f. 0.2056000 m: ==> 7

- chemistry -
**Devron**, Sunday, May 11, 2014 at 5:44pm
Excuse the other posts.

a. 1.2056 x 10^4 m: ==> 5

b. 1 x 10^89 km: ==> 1

c. 12,000 L: ==>2 Trailing 0's are not significant if no decimal is present.

d. 0.000345 cm: ==>3 Leading 0's are not significant.

e. 1.00036 mL: ==>6

f. 0.2056000 m: ==> 7 Trailing 0's are significant when a decimal is present.

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