Jawabanmu

2014-09-04T08:56:08+07:00
A.(2^4)^5 · 2^3=2^20 · 2^3 = 2^23
b.5
c.a^28·b^-21
2014-09-04T08:57:03+07:00
5² . (5⁻³)⁻⁴ :( 5²)²=5²⁺¹²⁻⁴=5¹⁰
(1/125) pangkat -1 tu sma dgn 125 :)
dikali dulu baru dibagi
5² . (5⁻³)^-1 :( 5²)²=5²⁺^3⁻⁴=5
nah sip bru bner:)