Which value of b makes the equation b/4 =12 true? a.48 b.16 c.9 d.3 help please i have 4 mins to finish ;((

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Hello can you me find all the products

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap