Which decimal is the best best estimate of the fraction 29/40 A. 0.5

B. 0.6

C. 0.7

D. 0.8

C

Step-by-step explanation:

I hope this helps

The ratio of the new distance to the old distance is  (11/2) .

The intensity is inversely proportional to the square of the distance,

so the new intensity will be  (2/11)²  times the old intensity.

Intensity =                 8,000 (2/11)² =

                              32,000 / 121  =  262.463  units

  Rounded to the nearest whole unit:  262 units