- When a number n is decreased by 12 and
then the result is multiplied by 3, the
product is equal to al. Write the equation
and solve it to find the value of n

Find the quotient. 50a2 – 98b2 -5a +7b

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3