solving the problems

writing equation

100

what is the equation for the area of square?

A= s²

200

the equation for finding the area of triangle?

A= one half and b*h

300

what is the equation of rectangle?

A=lw

400

what is the equation of the cylinder.

V= (3.14)

500

what is the equation for the volume  a sphere.

4 half

scientific notation

300

1.1*10¹³

1.009025*10¹³