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Lerok [7]
3 years ago
14

Round off each measurement to the number of significant figures shown in parentheses.

Chemistry
1 answer:
Wewaii [24]3 years ago
6 0

We have to round off each measurement to the number of significant figures.

The correct answers are: 265.9, 0.00045 and 65 respectively.

265.991 when expressed in 4 significant figure it rounds off as 265.9 because  265.9 represents the value 265.991.

0.0004513 when expressed in 2 significant figure it rounds off as 0.00045 because zero before and after decimal are not significant.

6593 when expressed in 2 significant figure it rounds off as 65.


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