In the context of astronomy, _____ is the area visible in an ...

[cookcarl]

In the context of astronomy, _____ is the area visible in an image.
 
  A) the field of view
  B) the visible spectrum
  C) a reference field
  D) point of reference

Question 2

Joseph writes the numbers 100,000,000,000, 3,240,000,000, and 48,000,000,000 as 1011, 3.24  109, and 4.8  1010. In this case, Joseph has used _____ to express the numbers in a simple way.
 
  A) theoretical notation
  B) the hexadecimal numeral system
  C) the binary number system
  D) scientific notation

[TheDev123]

Answer to Question 1

A

Answer to Question 2

D

[cookcarl]

Excellent

[bimper21]

Thanks for the timely response, appreciate it