Express 34.945 in standard form

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Multiply sixth of sixty six by a half of ten show step by step method