Question

a scientist has two colonies of bacteria, A and B. Colony a has 6.6*10^7 bacteria. colony b has 3300000. the number is colony a is how much more than colony b

Answer 1

Colony A: 6.6*10^7
Colony B: 3.3*10^6

Now we can compare them. Colony A is 6.27*10^7 more than Colony B (you do 6.6*10^7 - 3.3*10^6).