One grain of a certain pollen weighs about $2 \times 10 ^ { - 5 }$ grams. How many grains are there in a pound of the pollen? (One pound is about 454 grams.) Round to 3 significant digits if necessary.
A) $2.27 \times 10 ^ { 7 }$

B) $9.08 \times 10 ^ { 6 }$

C) $2.27 \times 10 ^ { 6 }$

D) $9.08 \times 10 ^ { 5 }$

Question

One grain of a certain pollen weighs about $2 \times 10 ^ { - 5 }$ grams. How many grains are there in a pound of the pollen? (One pound is about 454 grams.) Round to 3 significant digits if necessary.
A) $2.27 \times 10 ^ { 7 }$

B) $9.08 \times 10 ^ { 6 }$

C) $2.27 \times 10 ^ { 6 }$

D) $9.08 \times 10 ^ { 5 }$

Quizplus · Accepted Answer

The Answer of One grain of a certain pollen weighs about $2 \times 10 ^ { - 5 }$ grams. How many grains are there in a pound of the pollen? (One pound is about 454 grams.) Round to 3 significant digits if necessary.
A) $2.27 \times 10 ^ { 7 }$

B) $9.08 \times 10 ^ { 6 }$

C) $2.27 \times 10 ^ { 6 }$

D) $9.08 \times 10 ^ { 5 }$

One Grain of a Certain Pollen Weighs About 2×10−52 \times 10 ^ { - 5 }2×10−5

One Grain of a Certain Pollen Weighs About $2 \times 10 ^ { - 5 }$