Question 67249
1. 53 - 3(2^5 - 22) 
53 - 3(32-22)
53- 3(10)
53 -30
23
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2. (5 * 2)^3 
10^3
=1000
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3. 10 - 3*(8 - 6)
10 - 3(2)
10-6
4
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4. 5 - 2^3
5-8
-3
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Cheers,
Stan H.