The reciprocal of a number x is 1/x.
Let x = 1000
The reciprocal is 1/1000.
Three to the power of negative four is 81
Answer:
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Answer:
x = 
Step-by-step explanation:
Given
9 - 3x = 7 ( subtract 9 from both sides )
- 3x = - 2 (divide both sides by - 3 )
x =
= 
Answer:
10 $20 bills and 20 $5 bills
Step-by-step explanation: