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If 2*5=9 and 4**0=16 and 8**3=67, and 3**8=17, what is the value of 8**8?
(A) 64
(B) 65
(C) 66
(D) 72
(E) 68

If 2×5=9 2 \times 5=9 and 4×0=16 4 \times 0=16 and 8×3=67 8 \times 3=67 , and 3×8=17 3 \times 8=17 , what is the value of 8×8? 8 \times 8 ? \newline(A) 6464\newline(B) 6565\newline(C) 6666\newline(D) 7272\newline(E) 6868

Full solution

Q. If 2×5=9 2 \times 5=9 and 4×0=16 4 \times 0=16 and 8×3=67 8 \times 3=67 , and 3×8=17 3 \times 8=17 , what is the value of 8×8? 8 \times 8 ? \newline(A) 6464\newline(B) 6565\newline(C) 6666\newline(D) 7272\newline(E) 6868
  1. Analyze Pattern in Rules: We need to understand the pattern in the given operation rules. Let's analyze the first rule:\newline25=92^{5} = 9\newlineThis does not follow the standard exponentiation rules, so there must be a different operation being applied here. We need to find a pattern that applies to all the given rules.
  2. Examine Rule 11: Let's look at the second rule:\newline40=164^{0} = 16\newlineAgain, this does not follow the standard rules of exponentiation, as 44 to the power of 00 should be 11. We need to continue looking for a pattern.
  3. Examine Rule 22: Now, let's examine the third rule:\newline83=678^3 = 67\newlineStandard exponentiation would give us 512512, not 6767. We need to find the relationship between the base, the exponent, and the result.
  4. Examine Rule 33: Let's analyze the fourth rule:\newline38=173^{8} = 17\newlineThis also does not follow the standard rules of exponentiation, as 33 to the power of 88 should be 65616561. We need to find the pattern that connects the base and exponent to the result.
  5. Examine Rule 44: By examining the given rules, we can see that the operation defined by "**" does not correspond to exponentiation. Instead, it seems that the operation takes the base and adds it to the exponent to get the result. Let's test this hypothesis:\newlineFor 252^{**}5, the base is 22 and the exponent is 55. Adding them gives us 2+5=72 + 5 = 7, but the result given is 99, which is 22 more than 77.\newlineFor 404^{**}0, the base is 44 and the exponent is 00. Adding them gives us 2200, but the result given is 2211, which is 2222 more than 44.\newlineFor 2244, the base is 2255 and the exponent is 2266. Adding them gives us 2277, but the result given is 2288, which is 2299 more than 5500.\newlineFor 5511, the base is 2266 and the exponent is 2255. Adding them gives us 5544, but the result given is 5555, which is 5566 more than 5500.\newlineIt seems that the pattern is not simply adding the base and the exponent. We need to find a consistent operation that applies to all given rules.
  6. Test Hypothesis 11: Upon closer inspection, we can see that the result is always one more than the product of the base and the exponent. Let's test this hypothesis:\newlineFor 252^{5}, the base is 22 and the exponent is 55. Multiplying them gives us 2×5=102 \times 5 = 10, and adding 11 gives us 1111, but the result given is 99. This does not match our hypothesis.

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