A gardener uses topsoil to improve garden soil for his Regina customers. He purchased a special pick up truck that acts like a dump truck. If the 80 inch truck bed is raised to a 40 degree angle, how high is the upper end of the truck box above the wheels?

Possible Answers:
A) 51 inches
B) 61 inches
C) 67 inches
D) 80 inches

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

the largest number of the four options is 1.8 x 10-2

you have it in scientific notation.

1.80 x 10-6   = 0.00000180

1.80 x 10-4   = 0.000180 (bigger, or "less small", than the former one)

so

1.8 x 10-2       = 0.0180. as you see. the "less small", or the biggest one of them all.

as you have negative exponent, it means you are dividing 1.8 by 100 (i.e. moving the dot towards left, two times).

if you had positive exponent for the scientific notation, power of tenths, you would be multiplying times 100 (moving the dot towards right) as below:

1.8 x (10)2 = 180

so. if you have negative exponent in scientific notation, move the dot toward left. if it is positive, toward right as many times the exponent tells you.