A scientist created a scatter plot to represent the heights of four plants over time. Then, she found a line of best-fit to mode
2 answers:
You might be interested in
Answer:
The least count of vernier calipers is 0.01 g.
(B) is correct option.
Explanation:
Given that,
The digit that would have to be estimated in reading this instrument,
According to figure,
We need to calculate the pitch
Using formula of pitch
Put the value into the formula
We need to calculate the least count of vernier calipers
Using formula of least count
Put the value into the formula
Hence, The least count of vernier calipers is 0.01 g.
(B) is correct option.
Answer:
18.82 mg
Explanation:
From the given information:
The molar mass of CO2 is calculated as follow
= (12 + (16 ×2))
= 44
The mass of carbon is determined by dividing the mass no of carbon from co2 by the molar mass of CO2, followed by multiplying it by 69.00 mg
=
=(0.2727 × 69 )
= 18.82 mg