Chapter 2.1, Problem 5SSC

Interpretation Introduction

Interpretation:

The effect of adding the prefix mega in the unit to the quantity needs to be explained.

Concept introduction:

Prefix is a word or a letter or a number placed before another.

Answer to Problem 5SSC

Adding prefix mega- to any unit means that it has increased the unit ${10}^6$ times.

Explanation of Solution

Mega is a unit prefix in SI units that denotes a factor of one million or ${10}^6$ or $1000000$. It is represented by the unit symbol M. Adding the prefix mega to any unit makes the unit bigger.

For example: 1 megawatt is equals to 1000000 or $1\times {10}^6$ Watt or $1m={10}^{6}Mm$

Conclusion

Hence, mega makes the unit ${10}^6$ bigger.