Is 0.01 times 10 to the 26 power expressed right in scientific nototaion

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements