Powers, roots and standard form
The engine of a new aircraft had a major inspection after 1.2x104 hours flying time. The aircraft flies at an average speed of 900 km/h.
Calculate the distance travelled by the new aircraft before its engine had a major inspection. Give your answer in standard form.
--p.s. Thankyou for taking your time in helping me but please could you show working in a suitable format for a 15 year old to understand, Thankyou.