Question

c) enter the expression $7 \cdot 10^7$
your input: $7.10^7$ × not valid scientific notation.
notice that when you click on the answer box, it says below the box to enter the answer in scientific notation. this question will not accept the standard form of the number.
submit

Explanation:

Step1: Identify valid notation structure

Scientific notation requires a multiplication symbol between the coefficient and the power of 10. The given expression uses $\cdot$ as the multiplication operator.

Step2: Input correct expression

Use the proper multiplication format as specified: $7 \cdot 10^7$

Answer:

$7 \cdot 10^7$