Question

0,3²+0,7²-0,5³+0,2²=???даю 13 баллов​

Answer 1

Ответ: 3,7;

0,3²+0,7²-0,5²+0,2²=0,3×0,3+0,7×0,7-0,5×0,5+0,2×0,2=0,9+4,9-2,5+0,4=3,7;

Answer 2

Ответ:

0,495

Пошаговое объяснение:

Answer 3

To calculate the expression:

0.3² + 0.7² - 0.5³ + 0.2²

We can break it down step by step:

0.3² = 0.09 0.7² = 0.49 0.5³ = 0.125 0.2² = 0.04

Now, substitute these values back into the original expression:

0.09 + 0.49 - 0.125 + 0.04

Calculating this expression gives us:

0.09 + 0.49 - 0.125 + 0.04 = 0.494

Therefore, the result of the expression is 0.494.