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125 5³
2) 3^7.7^3.2 = 3^7 . 7^3 . 2 = 3 . 3^6 . 2 = 3² . 3^4 = 3^4 = 81
(42)³ 6^3 . 7^3 6 . (3.2)² 3² . 2² 2² 4
3) 2x³.7x³(3x)² = 14x^6(9x²) = 126x^8
4) (-2p/q)(-q)^4(2/5 p²) = {(-4)(p.p²)(q^4)} = -4p³q³ atau -4(pq)³
5q 5 5
5) (-2/3)^4.(1/2 - 1/6)² = (2/3)^4(1/3)² = (16/81)(1/27) = 16/2187 atau 2^4
3^7
6) (-5)³(1/15)²(10/3)^4(9/5)^5 = (-5³)(2^4.5^4)(3²)^5
3².5².3^4 . 5^5
= (-5)(5²)(2^4)(5^4)(3^10)
3^6 . 5^7
= (-5)(5^6)(2^4)(3^10)
3^6 . 5^7
= -5(2^4)(3^4)
5
= -(2.3)^4
= - (6^4) atau
= - 1296