Is the number written in scientific notation? If not, explain.
a.0.15ˣ10⁴
b.7.06ˣ10⁻⁸
c.3.3ˣ100¹
a.0.15ˣ10⁴
b.7.06ˣ10⁻⁸
c.3.3ˣ100¹