Which equation is not true?
o a. 20 x 10º = 2,000
o b. 20 x 10º = 2,000,000
oc. 20 x 10' = 200
od. 20 x 10° = 20

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.