A fine gold bullion weighs 6300 g 0.950. How much pure copper will add to lower its 0900 law?

Select the appropriate response:
A) 300g
B) 350 g
C) 325 g
D) 375g

Plase help

Iwould say false, not positive but if prices went up for both stores, technically there will be less buyers?

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.