Direction: Read and analyze each items. Encircle the letter of your correct answer.

1. To what subset of real numbers 15 belongs? a. Integer , Natural
b. Integer
c. Rational, Integer, Whole, Natural
d. Irrational, Whole

2. V2 is
a. Integer, Natural
b. Rational, Integer, Whole, Natural
c. Integer, Whole
d. Irrational

3. Which statement is NOT true?
a. Every counting number is a whole number.
b. Every integer is a rational number.
c. Every decimal is an irrational number.
d. Every natural number is a real number.

4. Which number is the smallest?
a. 3.5 b.0.48... c.√9 d. -5

5. Which number is the greatest?
a. 3.5 b.0.48... c.√9 d.-5

6. Which is in order from least to greatest C. 19 c. 79 1 a 3 a. 725,4.20,-0.66,7 b. -7,-0.66...,4.20, V25 0.0.6.-7,4.20, V25 d. 125,-0.66,4.20,-7, 1 3'

7. It allows us to express a very small or very large number in a compact form.
a. Scientific Notation
b. Real Numbers
c. Standard Form
d. Standard Notation

8. What is Five Hundred Thousand in scientific notation?
a. 5x104 b. 5 x 105 c. 5x10 4 d. 5x105

9. Which of the following represents a standard notation?
a. 2.50 x 102
b.2.5 X10
c. 0.000025
d.2.5 x 10000

10.The earth's approximate distance from the sun is about 1.4956 x 108 km. Which of the following notation represents the distance?
a. 1,495,600
b. 14,956,000
c.149,560,000
d.1,495,600,000

PA HELP​