Question

The coefficient part of a number
written in scientific notation is
between which numbers?
A. 1 and 10
B. -1 and -10
C. Both A and B

Answer 1

Answer:

A

There are two parts to a number written in Scientific Notation. The first is the coefficient and the second part is a power of ten. In order for the number to be correctly written it has to be between 1 and 10.

Answer 2

The coefficient part of the scientific notation is required.

The correct option is A. 1 and 10

Scientific notation is written in the form of

$m\times 10^n$

The coefficient part (m) is written as absolute value between 1 and 10.

n is the exponent and an integer.

Let us write a negative number in scientific form.

$-53000\\ =-(m\times 10^n)\\ =-(5.3\times 10^{5})\\ =-5.3\times 10^5$

So, the coefficient part is a number that lies in $1\leq m<10$

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