Question

Please help me with this​

Answer 1

Answer:

-779.0747305. its the answer

Answer 2

Answer:

- 8

Step-by-step explanation:

$\sqrt[4]{81} - 8 \sqrt[3]{343} + 15 \sqrt[5]{32} + \sqrt{225}$

Calculate the root

$3 - 8 \sqrt[3]{343} + 15 \sqrt[5]{32} + \sqrt{225}$

Calculate the cube root

$3 - 8 \times 7 + 15 \sqrt[5]{32} + \sqrt{225}$

Calculate the root

$3 - 8 \times 7 + 15 \times 2 + \sqrt{225}$

Calculate the square root

$3 - 8 \times 7 + 15 \times 2 + 15$

Multiply the numbers

$3 - 56 + 30 + 15$

Calculate the sum or difference

$- 8$

Hope this helps...

Good luck on your assignment..