Express this number in scientific notation.

Question

\[\text{78 million}\]

Answer 1

To express 78 million in scientific notation, we first write the number in standard form.

78 million can be written as:

\[ 78,000,000 \]

To convert this into scientific notation, we need to express it as a number between 1 and 10 multiplied by a power of 10.

We can rewrite 78 million as:

\[ 7.8 \times 10^7 \]

Thus, 78 million in scientific notation is:

\[ \boxed{7.8 \times 10^7} \]