Question

calculează folosind regula (a•b)n=an•bn a)2³• 5³
b) (3⁹•7⁹) •(3⁷•7⁷)
c) (2²⁰•5²⁰)•(4¹⁰•25¹⁰)
d) (7¹⁰•5¹⁰)•(49³•25³)​

Answer 1

a) 10^3 b) 21^9×21^7=21^16 c) 10^20×10^20=100^20 d) (7^10×5^10)×((7^2)^3×(5^2)^3=(7×5)^10×(7×5)^6=35^10×35^6=35^16