Solve each equation.
46.
28.
ANSWER:
ANSWER:
7-3 Rational Exponents
2
10
48.
30.
ANSWER:
ANSWER:
50.
32.
ANSWER:
ANSWER:
2
52.
34.
ANSWER:
2
ANSWER:
2
54.
ANSWER:
36.
ANSWER:
56.
ANSWER:
38.
ANSWER:
58. ELECTRICITY The radius r in millimeters of a
125
platinum wire L centimeters long with resistance 0.1
ohm is
.
40.
ANSWER:
How long is a wire with radius 0.236 millimeter?
8
ANSWER:
16 cm
42.
Write each expression in radical form, or write
ANSWER:
each radical in exponential form.
16,807
60.
ANSWER:
44.
ANSWER:
62.
Solve each equation.
ANSWER:
46.
ANSWER:
2
64.
48.
ANSWER:
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ANSWER: