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tankabanditka [31]
4 years ago
9

It is estimated that a brachiosaurus weighed around 124, 000 pounds. A tyrannosaurus Rex weighed about 8.16*10^3 kilograms. Of a

Tyrannosaur eats an entire Brachiosaurus, about how much will the Tyrannosaur weigh? Use scientific notation and give your answer in grams.
Mathematics
1 answer:
Semmy [17]4 years ago
4 0

Answer:

  6.44×10⁷ g

Step-by-step explanation:

The scenario seems unlikely, as a brachiosaurus weighs about 6.9 times as much as a tyrannosaur. The sum of the two weights is ...

  8.16×10³ kg + 1.24×10⁵ lb

  = 8.16×10³ kg + (1.24×10⁵ lb)/(2.2046 lb/kg)

  = 8.16×10³ kg + 5.62×10⁴ kg

  = 6.44×10⁴ kg . . . . . rounded to 3 significant figures

  = 6.44×10⁷ g . . . . . . weight of not-so-hungry tyrannosaur

_____

1 kg = 10³ g

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