Answer:
or
Step-by-step explanation:
When we have an exponent that is a negative, it is the same thing as 1 over the positive exponent. So, we move 9^-3 into 1/9^3 and then we evaluate the exponent to get our answer.
Paul worked as a library volunteer for 8 ¼ hours. Harry worked for 3 ½ hours. How much longer did Paul work than Harry?
1 answer:
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Answer:
the probabilities associated with each possible value for X
for x = -2
0.308
for x = -1
0.176
for x=0
0.011
for x =+1
0.3516
for x=+2
0.088
Step-by-step explanation
See this attachment
