Answer:
1.Scientific notation is the way that scientists easily handle very large numbers or very small numbers.
2.The rational numbers include all the integers, plus all fractions, or terminating decimals and repeating decimals. Every rational number can be written as a fraction a/b, where a and b are integers.
3.A perfect square is a value that has a whole number square root. The square root of 4 is 2, so its square root is a whole number, which means the four is a perfect square. Another example of a perfect square is 9. ... The square root is a whole number, which means that 9 is a perfect square
4.Numbers on a number line include all sets of numbers namely natural and whole numbers. An example of a set of whole numbers is:(0, 1, 2, 3,4,5,6 …….) whereas the natural number include:1, 2, 3, 4, 5, 6…. A number line is composed of three basic parts.
5.The letter (N) is the symbol used to represent natural numbers. Natural numbers are also known as counting numbers, and they begin with the number 1
6.Whole numbers comprise of all natural numbers and zero.
7.A number that cannot be expressed as a ratio of two integers is said to be irrational. There are names for groups of numbers: The natural numbers or the counting numbers are 1,2,3,... The integers are whole numbers including zero and the negative numbers.
8.The positive square root is also called the principal square root.
9.George Polya, known as the father of modern problem solving, did extensive studies and wrote numerous mathematical papers and three books about problem solving
10.If we make the pair of the prime factors we see that the prime factor 5 is not in the pair. Therefore 180 is not a perfect square and hence the square root is not perfect. The square root of 180, √180 = 2 × 3 × √5 = 6√5.
Step-by-step explanation:
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