When multiplying powers with the same base but different exponents, just add the exponents together. Note: this can only work if the base is the same. Note2: you can do the same with dividing powers by subtracting the exponents instead of adding.
Ex: 1. 2^7*2^2 (2 is the base, 7&2 are the exponents.
2^7*2^2 = 2^9 (add 7&2)
2^9 = 512
Answer:A
Step-by-step explanation:
Answer:
it has to be b I don't know for sure tho
The solution to the problem is as follows:
<span> 2^HCF(100,120) -1 = 2^20 -1 (Ans)
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