What is x ^ 2 × x^-12

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4