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1/(x^-y) = x^y
^ = pangkat
1a. 5/(3p)^4
= (5 × p^-4)/3
= (5p^-4)/3
2b. 3(2a^2 b)^-4
= 3/(2a^2 b)^4
= 3/(2^4 a^(2 × 4) b^4)
= 3/(16a^8 b^4)
3a. 2^x = 1/128
2^x = 1/(2^7)
2^x = 2^-7 (bilangan pokok 2 habis, tinggal pangkat yang diatasnya saja)
x = -7
maaf kalau salah
semoga membantu