Math, asked by doraemondonates, 11 months ago

If u are good at math please give an answer with steps/working and proper explanation plz understand my situation help plz. Its Exponents Grade 8 please answer:___(

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Answered by dhanalakshmis2524
1

Answer:

Step-by-step explanation:

b) [ ( - 2/3 )⁻² ]³   x (1/3)⁻⁴ x 3⁻¹ x 1/12

   [ (- 3/2)² ]³   x  (3)⁴  x (3)⁻¹  x (1/ 3x 2² )

( -3/2)⁶   x 3⁴  x 3⁻¹  x 3⁻¹ x 2⁻²

3⁶ x 2⁻⁶⁶ x 3⁴ x 3⁻¹ x 3⁻¹ x 2⁻²

= 3⁽⁶ ⁺ ⁴ ⁻ ¹ ⁻ ¹ ⁾  x  2 ⁽ ⁻⁶ ⁻ ² )

= 3⁸  x 2⁻ ⁸   = 3⁸  x  ( 1/ 2)⁸

= ( 3 / 2 )⁸

c) ( 36 t ⁻³  )  /( 6 ⁻ ³ x t⁻⁵)   = 6² x t⁻³  x 6³ x t⁵

                                           =  6⁽²⁺³)  x t⁽ ⁻ ³ ⁺⁵ ⁾

                                          =  6⁵  x t ²

                                         =  6⁵t²

e)  [ (125 X ⁻ ³) / ( 5⁻ ³ x 25 x X⁻ ⁶) ]²

=  [ ( 5³ x X⁻³ ) / (5⁻³ x 5² x X⁻⁶) ]²

=[ ( 5⁽³ ⁺ ³ ⁻ ²⁾  x   X⁽⁻ ³ ⁺ ⁶⁾ ]²

= [ 5⁴ x X³]²

= 5⁸ X⁶

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