Math, asked by ahmedansar1, 11 months ago

the value of [(3²)²]-¹:

sanray23: see

sanray23: Multiply all the powers

sanray23: 3 to the power 4

sanray23: this means 3x 3x 3 x3=81

Answers

Answered by AnandPanda

Answer:

81-¹ or 1/81

Step-by-step explanation:

Apply BODMAS...

We have,

[(3²)²]-¹

[(9)²]-¹

[81]-¹

1/81.

Answered by shanvisingh

Answer:

1/81

Step-by-step explanation:

[(3²×²×-¹)]

=[(3-⁴)]

=1⁴/3⁴

=1/81

ahmedansar1: but the options are given as 81,-81,-0.0123,0.0123

ahmedansar1: so what should I do now?

ahmedansar1: so -81 is correct answer

AnandPanda: let's evaluate 1/81

AnandPanda: you will get 0.0123

sanray23: -81 isn't the solution

sanray23: Yes

sanray23: Last option is correct

AnandPanda: 0.0123 is the correct answer

AnandPanda: as 1/81 is further solved

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