Answer:
The Moon revolves around the Earth and rotates on its axis with the same period. • The combined effect of these two motions means that one side of the Moon always faces the Earth.
We have that
a) L1 = 0.0035600 km = We have this number has 5 significant figures
L2 = 136500 mm =We have this number has 3 significant figures
b) L1 = 0.0035600 km=3.65m
L2 = 136500 mm=136.5m
c) L1 is more accurate
d) L2 is more Precise
From the question we are told
Consider the following two values for measurements of length:
L1 = 0.0035600 km
L2 = 136500 mm
a)
Generally
L1 = 0.0035600 km = We have this number has 5 significant figures
L2 = 136500 mm =We have this number has 3 significant figures
b)
Express each number in proper scientific notation after converting the units to “meters”
L1 = 0.0035600 km=3.65m
L2 = 136500 mm=136.5m
c)
Which of the two is more accurate
Generally
We define accuracy in measurement as the closes of a value measured to the actual value of
Therefore
L_1 is more accurate
d)
We define Precision in measurement as how closely the reoccurring results are close
Therefore
L_2 is more Precise
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Explanation:
It is known that density is the mass present in per unit volume.
Mathematically, Density =
Since, it is given that is 1.18 , is 5.30 , and volume is 2 .
Therefore, mass of air that has entered will be - and it will be calculated as follows.
=
=
= 8.24 kg
Thus, we can conclude that mass of air that has entered the tank is 8.24 kg.
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I solved it and got 374.2N so i would put 375N
sorry i didn’t get any of the ones on there, i probably made a mistake.