Question

express each of the following in terms of positive exponent :-
a)(5/4)-⁴
3³×3 to the power minus 7
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Answer 1

4-1=3

6

6x3=18...

hope this answer correct

Answer 2

Step-by-step explanation:

a)

$(5 \4) ^{ - 4$

it will be (4/5)°4 =256/625

b)

${3}^{3} \times {3}^{ - 7} = {3}^{ - 4 } = 1 \div 81 =$

ans is 1/81