Answer:
0.111 m
Explanation:
Step 1: Given data
Length of the pen: 11.1 cm
Step 2: Convert the length of the pen to meters
In order to convert one unit into another, we need a conversion factor. In this case, we will use the conversion factor 1 meter = 100 cm. The length of the pen in meters is:
11.1 cm × (1 m/100 cm) = 0.111 m
Answer: 48.83%
Explanation: Mass percent is the ratio of mass of the particular substance to the total mass of given compound.
Mass of = 120g
Mass of = 246g
Answer:
It allows the traveler to justify questionable expense items.
hope that helped <3
Answer - Its atomic number is 2, so it has two protons in its nucleus. Its nucleus also contains two neutrons. Since 2 + 2 = 4, we know that the mass number of the helium atom is 4.
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