Question

Calculate (9.9x10^8) + (5.5x10^6) give the answer in standard form and show working out

Answer 1

move the decimal place over as many times as the number that ten is rooted by like it would be 990,000,000 + 5,500,000 = 995,500,000 or (if they want it in the form for future reference) 995.5×10^6