Bilangan Pangkat (SMP Kelas 9 : 2018-2019)
Pr ! (A) 1. 3³ = 3x3x3 = 27 2. (-3) = (-3)x (-3)x (-3) = -27 3. ⅓ = ⅓x⅓x⅓ = 1/27 4. 0,3³ = 0,3x 0,3x 0,3 = 0,027 5. 3²x3³ = 3x3x3 x3x3 = 3^5 = 243 --------------------------------------------------------------- 1. (3³×3⁴) : 3^5 = 3^7 : 3^5 = 3² = 9 2. 7³ : (7² : 7^5) = 7³ = (7² - ^5) = 7³ : 7^-3 = 7³ - (-³) = 7^6 3. 8×(2^5:2^6) = 8×2^-1 = 2³×2^-1 =2³-(-¹)=2² --------------------------------------------------------------- 1.) (2³:2-²)×2^-7 = (2³-(²))²×2^-7 = (2^5)² × 2^-7 = 2^10 × 2^-7 = 2³