Question

Which expression has the greatest value?
A.
5·10^4 + 8·10^20
B.
5·10^4 – 8·10^20
C.
5·10^4 · 8·10^20
D.
5·10^4 ÷ 8·10^20
Part 2

Which expression has the least value?
A.
5·10^4 + 8·10^20
B.
5·10^4 – 8·10^20
C.
5·10^4 · 8·10^20
D.
5·10^4 ÷ 8·10^20

Answer 1

Part 1:

A. = 8 • 10^20
B. = -8 • 10^20
C. = 4 • 10^25
D. = 6.25 • 10^23

A. has the greatest value


Part 2:

A. = 8 • 10^20
B. = -8 • 10^20
C. = 4 • 10^25
D. = 6.25 • 10^23

B. has the least value