Solve seven times three and one fifth
1 answer:
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The correct option is: A. 80 cm³
Explanation
Diameter of the coin, cm.
So, the radius, cm.
As the coin is circular, so..
Area of each circular surface, cm²
Now for finding the amount of plastic for making each coin, we will find the Volume of each coin first.
As the thickness () of the coin is 0.5 cm, so Volume of each coin,
As you need to make a batch of 50 coins, so the total volume of 50 coins [Rounded up to the nearest multiple of 10 cm³]
So, the amount of plastic you will need for making a batch of 50 coins is 80 cubic centimeter.
Hello!
Use the equation F = m · a to solve where:
F = total force (N)
m = mass (kg)
a = acceleration (m/s²)
We are given the force and mass, so we can plug these values into the equation to solve.
However, mass is used in kilograms, so we must convert from grams to kilograms:
1 kg = 1000 grams
Convert using dimensional analysis or proportions:
Plug in the force and mass to solve:
6.5 = 0.5(a)
Divide both sides by 0.5 (Multiply by 2)
a = 13 m/s²
6.051 ×
= 605,100
So, your answer would have to be 605,100
Since the exponent of the scientific notation is a positive five ((5)), move the decimal point to the right
So, your answer would have to be 605,100
Since the exponent of the scientific notation is a positive five ((5)), move the decimal point to the right