Question

A geologist analyzed single grains of sand and recorded the heights of each.
Sample E:
15
−
2
inches
Sample F:
16
−
1
inches
Sample G:
19
−
2
inches
Sample H:
18
−
1
inches
Which choice below correctly orders the height of the samples from greatest to least?
Select one answer
A
E, F, H, G

B
F, H, E, G

C
G, E, H, F

D
G, H, F, E

E
H, F, G, E

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Answer 1

Interpreting each as a negative exponent: E = 15^−2 = 1/225 ≈ 0.00444, F = 16^−1 = 1/16 = 0.0625, G = 19^−2 = 1/361 ≈ 0.00277, H = 18^−1 = 1/18 ≈ 0.0556.
Ordering greatest to least: F, H, E, G.

Answer: B