Question

ANSWER THIz QUESTION​

Answer 1

Answer:

i) (7²)³×7⁵]÷7⁸

= 7⁶×7⁵÷7⁸

= 7¹¹ × 7⁸

= 7¹⁹

$ii) \: ( \frac{a {}^{9} }{a {}^{6} } ) \times a {}^{4}$

= a³×a⁴

= a⁷

Answer 2

(7²)³×7)×75]÷78

=78.7