Question

Упростить выражение 2x^-4:5x^2•(5x^3) ^2

Answer 1

Ответ:

$2x {}^{ - 4} \div 5x {}^{2} \times (5x {}^{3} ) {}^{2} = \frac{2}{5} x {}^{ - 4} \times x {}^{2} \times 25x {}^{6} = 2x {}^{ - 4} \times x {}^{2} \times 5x {}^{6} = 10x {}^{ - 4 + 2 + 6} = 10x {}^{4} .$