Answer:
do the test then
Step-by-step explanation:
do the test then
9 then 8. You add 4 to each number then subtract 1. 5+4=9 9-1=8
So in long numbers or any number the positon determines its in the ones, tenths, hundredths
e.g
658
6 is in the hundredths as it is technically 600
5 is in the tenths as it is 50
8 is the ones as its just 8
the correct answer is 4810 bacteria grew after 9 hours
- i =

- Product rule of radicals: √ab = √a x √b
Firstly, factor out i: 
Next, apply the product rule of radicals here as such:

<u>Your answer is 5i√2, or the second option.</u>