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Round each measurement to three significant figures. Write your answers in scientific notation.
a. 8758.073 meters

b. 435,200,000

c. 0.001552 meter

d. 0.009009 meters

e. 177,888 meters

f. 629.55 meters

Sagot :

Answer: a. 8.76*10^3 meters

b. 4.35*10^8 meters

c. 1.55*10^(-3) meters

d. 9.01*10^(-3) meters

e. 1.78*10^5 meters

f. 6.30*10^2 meters

Explanation:

a. 8758.073 meters=

8000+758.073=

8*1000+758.073/1000 *1000=

8*10^3+0.758073*10^3=

(8+0.758073)*10^3=

8.758073*10^3=

8.758073*10^3=8.76*10^3 meters

b. 435,200,000=

400,000,000+35,200,000=

4*100,000,000+35,200,000/100,000,000 *100,000,000=

4*10^8+0.352*10^8=

4.352*10^8=

4.352*10^8=4.35*10^8 meters

c. 0.001552 meter=

1.552/1000 =

1.552 * 1/1000=1.55*10^(-3) meters

d. 0.009009 meters=

9.009/1000=

9.009*10^(-3)=9.01*10^(-3) meters

e. 177,888 meters=

100,000+77,888=

1*100,000+77,888/100,000 *100,000=

1*10^5+0.77888*10^5=

1.77888*10^5=1.78*10^5 meters

f. 629.55 meters=

6000+29.55=

6*100+29.55/100 *100=

6*10^2+0.2955*10^2=

6.2955*10^2=6.30*10^2 meters

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