Question

Which of the following would be a reasonable estimate for the weight of a pencil?
1 × 10^-2 lb
1 × 10^2 lb
1 × 10^-20 lb
1 × 10^20 lb

Answer 1

Again find the amount in lb.

Answer 2

A pencil would be under 1Lb.

Answer 3

Its A, think about it this way...

Answer 4

Ok i think a. because its negitive

Answer 5

A pencil must be under 1 lb, and since 10 has negative exponent...

Answer 6

Exactly

Answer 7

but negative 20 is huge. the pencil would be weightless, A makes most sense

Answer 8

thank you to both of u

Answer 9

anytime