X=13; do you need the work? Also for future reference symbolab.com is where I get all my answers.
Answer:
2^4
Step-by-step explanation:
there are four 2's being multiplied to each other.
You can combine them and say 2 x 2 x 2 x 2 = 2 ^4
Answer:
140?
Step-by-step explanation:
40 percent of 350 is 140 so I assume its 140.