Pre-Algebra Demystified

SOLUTION

ð
 5 Þ^4 ¼ð
 5 Þð
 5 Þð
 5 Þð
 5 Þ¼ 625

EXAMPLE

Find
 54.

SOLUTION


 54 ¼
 5  5  5  5 ¼
 625

PRACTICE

Find:

1. 7^4


2. 3^7


3. 5^2


4. 2^1


5. ð
   3 Þ^4


6. ð
   6 Þ^3


7. ð
   4 Þ^5


8. 
   46


9. 
   74


10. 
    93

ANSWERS

1. 2401


2. 2187


3. 25


4. 2


5. 81


6. 
   216


7. 
   1024


8. 
   4096


9. 
   2401


10. 
    729

Order of Operations

In the English language, we have punctuation symbols to clarify the meaning

of sentences. Consider the following sentence:

John said the teacher is tall.

32 CHAPTER 2 Integers