1.

Simplify and write in exponential forms .( 2 power 5 - 2 power 8 ) × 2 power -5​

Answer»

\Large \fbox \red {Question \: :}

Simplify and WRITE in exponential forms :

(  {2}^{5}  -  {2}^{8} ) \times  {2}^{ - 5}

\Large \fbox \red {<klux>ANSWER</klux> \: :}

( {2}^{5}  -  {2}^{8} ) \times  {2}^{ - 5}

( {2}^{5}  -  {2}^{8} )

=  {2}^{5} (1 -  {2}^{3} )

= 32(1 - 8)

= 32 \times  - <klux>7</klux>

=  - 224

  • Then, we have to multiply the equation.

=  - 224 \times  {2}^{ - 5}

=  - 224 \times(  \frac{1}{2} ) {}^{5}

=  - 224 \times  \frac{1}{32}

=  - 7

\implies So, our answer is - 7.

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