A) \[{{3}^{50}}\]
B) \[{{4}^{40}}\]
C) \[{{5}^{30}}\]
D) \[{{6}^{20}}\]
Correct Answer: B
Solution :
[b] \[{{3}^{50}},\]\[{{4}^{40}},\]\[{{5}^{30}},\]\[{{6}^{20}}\] |
\[={{({{3}^{5}})}^{10}},\]\[{{({{4}^{4}})}^{10}},\]\[{{({{5}^{3}})}^{10}},\]\[{{({{6}^{2}})}^{10}}\] |
\[={{(243)}^{10}},\]\[{{(256)}^{10}},\]\[{{(125)}^{10}},\]\[{{(36)}^{10}}\] |
It is clear that \[{{4}^{40}}\] given above is the greatest number. |
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