Round off each of these measurements to three significant figures.

a) 98.473 L
b) 0.00076321 cg
c) 57.048 m
d) 12.17 °C
e) 0.0074983 mm
f) 1764.9 mL

A) a) 98.5 L, b) 0.000763 cg, c) 57.0 m, d) 12.2 °C, e) 0.00750 mm, f) 1760 mL
B) a) 98.5 L, b) 0.000763 cg, c) 57.0 m, d) 12.2 °C, e) 0.00750 mm, f) 1770 mL
C) a) 98.5 L, b) 0.000763 cg, c) 57.0 m, d) 12.2 °C, e) 0.00750 mm, f) 1765 mL
D) a) 98.5 L, b) 0.000763 cg, c) 57.0 m, d) 12.2 °C, e) 0.00750 mm, f) 1764 mL

Question

High School

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Answer :

m6660507 m6660507 · Answer 1 · 2023-11-12T10:56:56-05:00

To round off each measurement to three significant figures, follow the rules for significant figures.

To round off each of these measurements to three significant figures, we follow the rules for significant figures:

a.) 98.473L rounds to 98.5L (since 8 is greater than 5, we round up the previous digit).

b.) 0.00076321cg rounds to 0.000763cg (the zeros before the 7 are not significant).

c.) 57.048m rounds to 57.0m (since 0 is less than 5, we do not round up the previous digit).

d.) 12.17°C rounds to 12.2°C (since 7 is greater than 5, we round up the previous digit).

e.) 0.0074983 × mm rounds to 0.00750mm (the zeros after 5 are significant).

f.) 1764.9mL rounds to 1760mL (since 9 is greater than 5, we round up the previous digit).

Learn more about Significant figures here:

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