What stride rate would Alberto need in order to match Usain Bolt’s speed in the 100-meter race?
2 answers:
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0.9 as a fraction is: 
What place is the '9' in? It's in the tenth place.
0.9 can be said as
Nine
tenths
=
What place is the '9' in? It's in the tenth place.
0.9 can be said as
Nine
The mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.
<h3>How do you calculate the mass of sodium chloride required?</h3>Given that weigh of the person is 50 KG. The mass of the sodium chloride in one person is given below.
The mass of sodium chloride is calculated as given below.
Hence we can conclude that the mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.
To know more about the mass, follow the link given below.