Question

An adult male African elephant weighs about 9.07*10^3 kg. Compute how many times heavier an adult male blue whale is than an adult male African elephant(I.e., find the value of the ratio). Round your final answer to the nearest tenth.

Answer 1

Answer:

An adult male blue whale is 18.7 times heavier  than an adult male African elephant.

Step-by-step explanation:

As the weight of an adult male African elephant weighs about

• $9.07\:\times\:10^3$ kg

And the weight of an adult blue whale is

• $1.7\:\times\:10^5$ kg

Determining the ratio of adult male African elephant to the weight of an adult blue whale as:

                         $\:\:\frac{1.7\:\times\:10^5}{9.07\:\times\:10^3}$

$\mathrm{Apply\:exponent\:rule}:\quad \frac{x^a}{x^b}=x^{a-b}$

                       $=\frac{10^{5-3}\times \:1.7}{9.07}$

                       $=\frac{10^2\times \:1.7}{9.07}$

  As  $10^2\times \:1.7=170$, So

                        $=\frac{170}{9.07}$

                        $=18.74310\dots$

Round the answer to the nearest tenth

                         $=18.7$

Therefore, an adult male blue whale is 18.7 times heavier  than an adult male African elephant.

Keywords: ratio, nearest tenth

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