2algebra questions need evaluate the root without using a calculator, or note that the root isn't a real number1) ^4√16 a. 2 b. –2 c. 3 d. not a real number2) ^8√256 a. not a real number b. 16 c. 2 d. 4

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.