5. Вычислите: a) 54.25 25² b) 38:27 c ) - 5x³y2 - 6x5у c) 81²​

Ответ:

a) 54.25 25² = 54.25 * 25 * 25 = 33,906.25 b) 38:27 = 1.407 (rounded to three decimal places) c) - 5x³y² - 6x⁵у = -5x³y² - 6x⁵y d) 81² = 81 * 81 = 6,561