Answer:
D. 0.5 · 10^3
Step-by-step explanation:
is in the form
a * 10 ^b
Scientific notation has one number ( not zero) before the decimal and b is an integer
A. 6 · 10^25 True
B. 2.01 · 10^-2 True
C. 1.3 · 10^-4 True
D. 0.5 · 10^3 False this does not have one number before the decimal)
