Tyler simplified the expression 5^4×5^-9. all of his work
except his answer is shown below.
5^4× 5-9 = 5^4+(-9)
= 5^-5

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?

Which has the greater energy, light of wavelength 519 nm or light with a frequency of 5.42 x 10^8 sec^-1?