Study Guide 2, Self Test 3

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1. Obtain the following logarithms:
(a) log 2.00
(b) log 10.0
(c) log 1.13
(d) log (1.40X10⁶)
(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.