Toxic compound found in almond is

`sqrt(1279.98+sqrt(243.97+sqrt(140.22+sqrt(6.875+sqrt(76.09+sqrt(24.97)))))) = ? `

13³ + 1.3² + 1.03¹ + 1.003 =?

(18.21)² - (12.9)² = 20% of 649.9 - ? + 400.033

888.191 + 2.0001 X 7.961= ?

99% of 4444 + 101% of 6666 =

An edge of a variable cube is increasing at the rate of 2 cm/s. How fast is the volume of the cube increasing when the edge is 12 cm long?

12.23² + 29.98% of 539.99 = ? × 5.99

(1560.23 ÷ 25.98) + (768.32 ÷ 23.9) + 1814.11 = ?

20.11% of 179.99 + √120.97 ÷ 11.02 = ?

What is the value of "π"