© Department of Physics, University of Guelph.

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1. Obtain the following logarithms:

(a) log 2.00

(b) log 10.0

(c) log 1.13

(d) log (1.40X10^{6})

(e) log 0.000670

(f) log 9.40X10^{-6}

(g) log 94.0X10^{-7}

2. Obtain the antilogarithms of the following:

(a) 0.724

(b) 1.724

(c) -0.689

(d) -6.89

(e) -0.0100

3. Evaluate the following:

(a) 4.00^{0.360}

(b) (7.10)^{log 3.20}

(c) (log 2.40)^{log 0.930}

4. Find z in each of the following:

(a) 42.0^{(z - 3)} = 7.00

(b) 4.0(8.0)^{z} = 7.0(3.0)^{(z
- 1)}

5. Simplify:

6. log (a + b) = ? Which of the following is correct?

(a) (log a).(log b)

(b) log a + log b

(c) a + log b

(d) 10^{a + b}

(e) none of the above.