Estimate how many pennies you would have to stack to reach from ...

[jhjkgdfhk]

Estimate how many pennies you would have to stack to reach from the floor to an average 8-ft ceiling.
 
  A) 2  103
  B) 2  102
  C) 2  104
  D) 2  105
  E) 2 x 106

Question 2

Suppose that a certain saber-toothed-tiger contained one gram of 14C half-life 6000 years when it died. The approximate 14C content of the remains of this tiger 24,000 years later would be
 
  A) zero grams.
  B) 1/8 gram.
  C) 1/32 gram.
  D) 1/16 gram.
  E) impossible to predict.

[chereeb]

Answer to Question 1

A

Answer to Question 2

D

[jhjkgdfhk]

Thanks

[chereeb]

Welcome