Write the word FACT if the statement is true and BLUFF if it is false. 14. Order of operations can only be solved properly by following the GEMDAS RULE
15. Addition and subtraction are not interchangeable.
16. The exponent is always inside the groupings.
17. Multiplication and addition are interchangeable. Solve which comes first fom left to right.
18. The chronological order of the abbreviations GEMDAS is the key in solving order of operations. ​

Assume that there is a 11% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?