Which is the more reasonable measurement of the diameter of a human hair: 1.8 ⋅ 10^−2 mm or 1.8 ⋅ 10^2 mm? justify your answer.

Its a very small measurement.

1.8 * 10^2 =   180 mm = 18 cms

1.8 * 10^-2  = 0.018 mm  <    Thats the one

the answer is 15% decrease

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation: