The number written in the form of scientific notation is 7.8 x 10⁻⁵. The correct option is D.
What is a scientific notation?
Numbers that are either too large or too little to be conveniently stated in decimal form can be expressed using scientific notation. It may be called scientific form.
Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.
Scientific notation because 7.8 is higher than 1 and less than 10. The number written in the form of scientific notation is 7.8 x 10⁻⁵.
Therefore, the number written in the form of scientific notation is 7.8 x 10⁻⁵. The correct option is D.
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