In 2009 there were about 234 million websites on the internet. What is this number in
scientific notation?

What is the size of the matrix resulting from

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Find the value of x. round the length to the nearest tenth