1. What is the distance travelled by an aircraft in meters having the speed of 520 km/hr in 1 ½ hours? A. 780 00km B. 780m C. 780 00m D. 78 00m

Answers; a) 135 degree’s b) 30 degree’s c) 180 or 0 degree’s d) 90 degree’s

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

Me find the value of x each figure.