sidemi06
sidemi06 sidemi06
  • 03-07-2020
  • Mathematics
contestada


Earth is approximately 4.54 * 10^9 years old. Humans are thought to have evolved around 2.5 * 10^5 years ago.
For what percentage of the age of the Earth have humans been present? Give your answer to 3 s.f

Respuesta :

mhanifa
mhanifa mhanifa
  • 03-07-2020

Answer:

5.507*10^-7%

Step-by-step explanation:

(2.5 * 10^5)/(4.54 * 10^9)*1/100 %= 5.507*10^-7%

Answer Link

Otras preguntas

if f(x)=|3x-4|+2, find f (-10)
1,352 pounds is what fraction short of a ton? A) 169/250             B) 77/100               C)13/20             D140/223
what It Trigonometry ?
Which of the following categories includes the most distantly related organisms? (A) family (B) species (C) class (D) genus (E) order
How can b^2+9b+14 be re-written?1) (b+7) (b-7)2) (b-7) (b-2)3) (b+7) (b-2)4) (b+7) (b+2)
What two factors determine the state of rocks and metals Inside the earth?
How can b^2+9b+14 be re-written?1) (b+7) (b-7)2) (b-7) (b-2)3) (b+7) (b-2)4) (b+7) (b+2)
What do Frederick Douglass' words "America reigns without a rival" mean?
How can b^2+9b+14 be re-written?1) (b+7) (b-7)2) (b-7) (b-2)3) (b+7) (b-2)4) (b+7) (b+2)
7x+3y=22 4y=20 I need to know how to write this equation out with the answer