Understanding Logarithms

Understanding Logarithms

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial explains how to find the logarithm of 34 using a calculator, specifically focusing on base 10 logarithms. It begins by clarifying the concept of logarithms and the implicit base 10 when no base is specified. The tutorial then demonstrates how to use a calculator, such as the TI-85, to find the logarithm of 34 and round the result to the nearest hundredth, concluding with the final answer of approximately 1.53.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the implicit base when the base is not specified in a logarithm?

Base 2

Base 10

Base 8

Base 5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you have log base 10 of 34, what are you trying to find?

The power to which 10 must be raised to get 34

The difference between 34 and 10

The number you multiply by 34 to get 10

The sum of 10 and 34

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is true about the number 34 in relation to powers of 10?

34 is between 10 and 100

34 is exactly 10

34 is less than 10

34 is more than 100

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in using a calculator to find the log of 34?

Press the multiplication button

Press the log button

Press the subtraction button

Press the division button

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using a calculator, what is the base assumed by the log button?

Base 2

Base 5

Base 8

Base 10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After calculating the log of 34, to which decimal place should you round the result?

Nearest thousandth

Nearest whole number

Nearest hundredth

Nearest tenth

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the approximate value of log base 10 of 34 rounded to the nearest hundredth?

1.53

1.55

1.50

1.57

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the thousand's place is 1, what should you do when rounding to the nearest hundredth?

Keep the same

Round down

Round up

Add 0.1