exam Maths Puzzle Numerical Ability

The diameter of the Milky Way disc is approximately 9 x 10^20 meters. How long does it take light, traveling at 10^16 m/year to travel across the diameter of the Milky Way?

900

Read Solution (Total 0)

exam Other Question

A electronics store wants to order at least 3 times as many DVD players as VHS players. Write an inequality expressing this relationship.

Please help!
if a^3+b^3+c^3-3abc=0, does it mean that a+b+c=0?