9. Which of the following numbers has 4.571 for its logarithm to the

base 10?

a. 0.660

b. 3,720

c. 26,900

d. 28,700

e. None of the above

10. Which of the following numbers has 9.070-10 for its logarithm to the base 10?

a. 0.01175

b. 0.1175

c. 0.501

d. 0.846

e. None of the above

11. Which of the following numbers has 7.714 for its logarithm to

12. Which of the following numbers has -4.93 for its logarithm to

the base e?

a. 0.000725

b. 0.000852

c. 0.00138

d. 0.00725

e. None of the above

13. Find the result of (909X7.18)2, using logarithms.

a. 16,100

b. 115,000

c. 42,700,000

d. 88,400,000

e. None of the above

14. Find the result of 1,575-81.4, using logarithms.

1. Using examples in your text as a guide, explain how you would find the logarithm of 10,970 to the base 10.

2. Using examples in your text as a guide, explain how you would find the logarithm of 0.00419 to the base e.

3. Find the logarithm of each of the following numbers to the base 10:

a. 27,450

b. 3.131

c. 0.417

d. 0.0000321

e. 947,000,000

4. Find the logarithm of each of the following numbers to the base e:

a. 100

b. 1.575

c. 0.728

d. 0.00309

e. 61,800

(Continued on next page)

5. Find the numbers which have the following logarithms to the

base 10:

a. 1.042

b. 8.705-10

c. 5.195

d. 0.953
e. 9.114-10

6. Find the numbers which have the following logarithms to the

7. Solve the problem below by means of logarithms. In other words, look up the logarithm of each number, add and subtract the logarithms as necessary, and finally find the antilog. Show all your steps.

356X 297
0.0037

8. Solve the problem below by means of logarithms. Determine the logarithms of each number, perform the necessary operations, and finally find the antilog. Show all your steps.

(1,075X 1.517) 2

Answers to Review Problems

Answers to many of the Review Problems in your textbook are given below. The page numbers refer to the pages in your textbook where these problems are found.

Pages 65-66

1. The slide rule is adjusted so that one index of the C scale coincides with the multiplicand which is located on the D scale.

2. The answer in a multiplication problem is read on the D scale under the hairline of the runner.

3. 7.85

4. 49

5. The multiplier is located on the C scale under the hairline of the runner.