What is 0.00000025 expressed in scientific notation?
A. 2.5 x 10^-8
B. 2.5 x 10^-7
C. 2.5 x 10^7
D. 2.5 x 10^8
1 answer
A. 2.5 x 10^-8
A. 2.5 x 10^-8
B. 2.5 x 10^-7
C. 2.5 x 10^7
D. 2.5 x 10^8
1 answer