Information about five planets is shown in the table below. Planet Diameter (km) Mass (kg)
Mercury 4.88 x 10 3.3 * 1023
Jupiter 1.43 x 105 1.898 x 1027
Earth
1.28 x 104 5.97 x 1024
Mars 6.78 x 10 6.42 x 1023
Saturn 1.21 x 10 5.68 x 1026
a) Write down the name of the planet with the greatest mass.
b) Work out the radius of Mercury giving your answer as an ordinary number.
c) Work out the difference between the masses of Jupiter and Saturn.
Q

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.