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qaws [65]
4 years ago
12

A pound is approximately 0.45 kilogram. A person weighs 87 kilograms. What is the person’s weight, in pounds, when expressed to

the correct number of significant figures?
A. 190 lb
B. 180 lb
C. 52 lb
D. 39 lb

Chemistry
2 answers:
Vinvika [58]4 years ago
6 0

Answer:

190 pounds  

Explanation:

Given that  

A pound is approximately 0.45 kilogram

A person weighs 87 kilograms

Now change the unit form kilogram to pounds as follows:

 

1 pound / 0.45 kilogram * 87 kilograms

= 193.3 pounds

Now expressed to the correct number of significant figures

193.3 pound = 190 pounds  

Sauron [17]4 years ago
4 0

Answer:

87 kilograms =191.8 pounds

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Plz help i need the answer ASAP If 6.20 cm3 of a 6.75 M (M = mol/dm3) solution are diluted to 85.6 cm3 with water, what is the c
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