Understanding Logarithms

Roger Bowley explains the concept of logarithms, focusing on base 10. He demonstrates how logarithms simplify multiplication and division by converting these operations into addition and subtraction. Bowley discusses the historical use of logarithm tables for accurate calculations before calculators were common, highlighting their importance for both students and professionals. The video concludes with a brief mention of John Napier, who developed these tables.

What is the logarithm of 100 to the base 10?

• 100

• 2

• 10

• 1

How does using logarithms simplify multiplication?

• By converting multiplication into exponentiation

• By converting multiplication into subtraction

• By converting multiplication into addition

• By converting multiplication into division

In the example given, what is the logarithm of 37?

• 2.183

• 1.7709

• 1.5682

• 3.3391

What is the result of multiplying 37 and 59 using logarithms?

• 42

• 1000

• 2183

• 59

What tool was used historically to perform multiplication using logarithms?

• Slide rule

• Abacus

• Logarithm tables

• Calculator

Who is credited with the creation of logarithm tables?

• Galileo Galilei

• John Napier

• Albert Einstein

• Isaac Newton