exam Maths Puzzle Numerical Ability

can some one help me find the diameter.

Diameter of a circle
If the diameter of a circle is 1.3 * 10^-12 meters, then what is the radius.

Read Solution (Total 0)

exam Other Question
this is from a work sheet. I need to know how to work this problem.

3x/4 + 1 = 10

Thanks solve the equation 2x-3y = and 6 for y