Answer:
6720
Step-by-step explanation:
The writing 8P5 represents the number of permutations of 8 elements taken 5 at a time.
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<u>First Method</u> :
8P5 = 8 × 7 × 6 × 5 × 4
= 6720
<u>Second Method</u> :





Answer:
20000+600+7
Step-by-step explanation:
Answer:
he could have five 20 bills at most
Answer:
130
Step-by-step explanation:
130 because the angle is obviously obtuse
50 is acute
130 is obtuse
130 is your answer.