Topic 8 Standard form

Question 1

The number of significant figures for a particular number becomes ____when expressed in standard form or scientific notation.

Answer 1

The number of significant figures for a particular number becomes definite when expressed in standard form or scientific notation.

The purpose is to represent numbers that are very small or very big.

Question 2

A x 10 to the power of n where the range of A is_____ and n is an _____. What is 10 known as?

Answer 2

A x 10 to the power of n where 1 is equal or less than A and A is lesser than 10 and n is an integer. 10, is known as the base of the standard form and n the index or exponent of the base.