1. Write out the following expressions: a. 33 = 3 x 3 x 3

b. 82

c. 44

d. 66

e. 23

f. 42
g. 62

h. 102

i. 52

j. 63

k. 122

l. 103

2. Use powers to rewrite these problems: Example: 5 x 5 = 52

a. 5 * 5 * x*x*x

b. 8*8*8

c. 4*4*4*x*x*x*x

3. Use powers to rewrite these problems:

a.

b. 6*6*6*6*sss*tt

c. xx*xxx

d. t*t*t*t

4. Solve for the following:

ex: 23 = 8

a. 34

b. 65

5. Solve for the following:

a. 13

b. 94

c. 102

1b.8×8

c.4×4×4×4

d.6×6×6×6×6×6

e.2×2×2

f.4×4

g.6×6

h.10×10

i.5×5

j.6×6×6

k.12×12

l.10×10×10

2a.5²x³

b.8³

c.4³x⁴

3a.x⁴

b.6⁴s³t³

c.t⁴

4a.81

b.7776

5a.1

b.6561

c.100

ending amount = beginning amount / (2^n)

where "n" = number of half-lives (or elapsed time / half-life)

ending amount = 50 mg / (2 ^10 / 5.3)

ending amount = 50 mg / (2 ^ 1.8867924528)

ending amount = 50 m / 3.6981210597

ending amount = 13.5203794557 mg

or about 13.5 mg remain

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