Question

B1 и C1 помогите пожалуйста

Answer 1

B1) $frac{9 ^{10} *81 ^{2} }{(-9 ^{4} ) ^{3} } = frac{9 ^{10}*(9 ^{2}) ^{2} }{-9 ^{12} }= -frac{9 ^{10}*9 ^{4} }{9 ^{12} }=-9 ^{10+4-12} = - 9 ^{2}=-81$
C1) (x¹⁴ : x²)³ * x² = (x¹⁴⁻²)³ * x² = (x¹²)³ * x² = x³⁶ * x² = x³⁶⁺² = x³⁸