Estimate the number of dollar bills ( $15.5 \mathrm{~cm}$ wide), placed end to end, that it would take to circle the Earth (radius $=6.40 \times 10^{3} \mathrm{~km}$ ).
A) $9.5 \times 10^{8}$
B) $3.7 \times 10^{7}$
C) $8.5 \times 10^{6}$
D) $1.2 \times 10^{7}$
E) $2.6 \times 10^{8}$

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The Answer of Estimate the number of dollar bills ( $15.5 \mathrm{~cm}$ wide), placed end to end, that it would take to circle the Earth (radius $=6.40 \times 10^{3} \mathrm{~km}$ ).
A) $9.5 \times 10^{8}$
B) $3.7 \times 10^{7}$
C) $8.5 \times 10^{6}$
D) $1.2 \times 10^{7}$
E) $2.6 \times 10^{8}$

Estimate the Number of Dollar Bills 15.5 cm15.5 \mathrm{~cm}15.5 cm Wide), Placed End to End, That It Would Take to Placed

Estimate the Number of Dollar Bills $15.5 \mathrm{~cm}$ Wide), Placed End to End, That It Would Take to Placed