Tree weights

Question

The largest known tree by volume is a sequoia called General Sherman and has an estimated weight of 1.20 x10⁷ pounds. The largest coast redwood tree called Lost Monarch has an estimated weight of 1.11 x 10⁶ pounds.

 

a. How much greater is the weight of the sequoia than the redwood?

b. How many times greater is weight of the sequoia than the redwood?

 

Answer 1

Harry, we can move the decimal and make 1.20 x 10⁷ to 12.0 x 10⁶.

 

  12.00

-   1.11

  10.89

 

a. 10.89 x 10⁶ = 1.09 x 10⁷

 

1.20/1.11 = 1.08

10⁷/10⁶ = 10¹

 

b. 1.08 × 10 = 10.8