Answer:
√39
Step-by-step explanation:
An irrational number is a number that cannot be expressed by a fraction.
√9 = 3
√49 = 7
All whole numbers can be expressed as fractions and are <u>not</u> irrational numbers.
1.7 = 17/10 which is <u>not</u> an irrational number.
I will answer your question. It is -3/2
2, (double) 4, (double) 8 (double) 16, So 16 in week 4
2+4+8+16 = 30
This is simple division:

So, plug it into your calculator and you get:

Your answer's that
it takes 4.5 hrs for the surveillance run.