How many significant numbers 5.67x10^6

In all living cells dna controls cellular activities by

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide