Question

Calcule o valor das expressoes. Ajuda por favor.

Answer 1

a) (2)² + ( -2)³ = 4 + (-8)= -4 b) (3)⁰ - (-3)³= 1 -(-27) = 28 c) 3 + 2/3 = 9/3 + 2/3= 11/3 d) 8⁻¹ (2/3)² = 1/8 + 4/9= 9/72 + 32/72= 41/72 e)2⁻¹ + 2⁰ = 1/2 + 1 = 1 + 2 = 3 f)(-2/3)² - (-2/3)⁻² = 4/9 + (9/4) = 16/36 + 81/36 = 97/36 g) (0,25)² - (0,5)³ = 0,0625 - 0,125 = - 0,0625