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What is the value of 33a – 2 when a = 2? 16 52 79 697 727
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29 Apr 2018, 00:03
29 Apr 2018, 00:03
Expert Reply
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Question Stats:
95% (00:36) correct
4% (00:25) wrong based on 23 sessions
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What is the value of \(3^{3a} - 2\) when \(a = 2\)?
A. 16
B. 52
C. 79
D. 697
E. 727
A. 16
B. 52
C. 79
D. 697
E. 727
Re: What is the value of 33a – 2 when a = 2? 16 52 79 697 727
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04 May 2018, 04:20
04 May 2018, 04:20
1
3^6 - 2
9*9*9 - 2
81*9 - 2
Hence the answer.
9*9*9 - 2
81*9 - 2
Hence the answer.
Re: What is the value of 33a – 2 when a = 2? 16 52 79 697 727
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17 Jul 2018, 12:51
17 Jul 2018, 12:51
1
sandy wrote:
What is the value of \(3^{3a} - 2\) when \(a = 2\)?
A. 16
B. 52
C. 79
D. 697
E. 727
A. 16
B. 52
C. 79
D. 697
E. 727
Given
\(3^{3a} - 2\)
= \(3^{3*2}\) - 2
= (3^3)^2 -2
= \(27^2\) -2
= 727
Note : 25*25 = 625. So, 27*27 will be much higher than 625.
Only option E fits.
