Question

0.217


0.261


0.455


0.833

Answer 1

Answer:0.455

Step-by-step explanation: A= 5 + 2 + 4 = 11

A and B ( round and blue ) = 5

5/11 = 0.4545

3 significant figures

0.455

Answer 2

The answer is 0.455 because there are 11 total round blocks, of which 5 are blue. The probability of picking up a blue block from the box is therefore 5/11 which can be divided into 0.4545, or, when rounded, 0.455.