Question

Multiple Choice

Which of the following expressions is written in scientific notation?
(1 point)
73.4×10³
0.09×10²
€ 80×10³
4.22x10-³
Question 2

Answer 1

The expression written in scientific notation is:

73.4×10³

This is written in scientific notation because it is a large number (73.4) multiplied by a power of 10 (3). In scientific notation, numbers are written as a product of a coefficient and a power of 10, with the coefficient being a number between 1 and 10, and the power of 10 being an integer.

Explanation: