Question

Round the answer for each problem to the correct number of significant figures. a. $\left(7.31 \times 10^{4}\right)+\left(3.23 \times 10^{3}\right)$ b. $\left(8.54 \times 10^{-3}\right)-\left(3.41 \times 10^{-4}\right)$ c. 4.35 $\mathrm{dm} \times 2.34 \mathrm{dm} \times 7.35 \mathrm{dm}$ d. $4.78 \mathrm{cm}+3.218 \mathrm{cm}+5.82 \mathrm{cm}$ e. $38,736 \mathrm{km} \div 4784 \mathrm{km}$

Name: round the answer for each problem to the correct number of significant figures a left731 times 104rightleft323 times 103right b left854 times 10 3right left341 times 10 4right c 435 mathrmdm times 2 3
Uploaded: 2021-08-26T01:53:32-08:00
Duration: 4 min 6 s
Channel: Ma Ednelyn Lim
Description: round the answer for each problem to the correct number of significant figures a left731 times 104rightleft323 times 103right b left854 times 10 3right left341 times 10 4right c 435 mathrmdm times 2 3

          Round the answer for each problem to the correct number of significant figures.
a. $\left(7.31 \times 10^{4}\right)+\left(3.23 \times 10^{3}\right)$
b. $\left(8.54 \times 10^{-3}\right)-\left(3.41 \times 10^{-4}\right)$
c. 4.35 $\mathrm{dm} \times 2.34 \mathrm{dm} \times 7.35 \mathrm{dm}$
d. $4.78 \mathrm{cm}+3.218 \mathrm{cm}+5.82 \mathrm{cm}$
e. $38,736 \mathrm{km} \div 4784 \mathrm{km}$

Added by Lance H.

Chemistry Matter and Change

Thandi Buthelezi, Laurel Dingrando,… 1st Edition

Chapter 2

Instant Answer

Solved by Expert Ma Ednelyn Lim

08/26/2021

Step 1

31 \times 10^{4} + 3.23 \times 10^{3} = 7.31 \times 10^{4} + 0.323 \times 10^{4} = 7.63 \times 10^{4}\] Show more…

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Round the answer for each problem to the correct number of significant figures. a. $\left(7.31 \times 10^{4}\right)+\left(3.23 \times 10^{3}\right)$ b. $\left(8.54 \times 10^{-3}\right)-\left(3.41 \times 10^{-4}\right)$ c. 4.35 $\mathrm{dm} \times 2.34 \mathrm{dm} \times 7.35 \mathrm{dm}$ d. $4.78 \mathrm{cm}+3.218 \mathrm{cm}+5.82 \mathrm{cm}$ e. $38,736 \mathrm{km} \div 4784 \mathrm{km}$