1. What’s Your
Number?
Back to
Your Roots
Raise the
Power
Science
Noted Be
Rational
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2. Counting numbers are
also called _________
numbers.

3. Natural

4. { …, -3, -2, -1, 0, 1, 2, 3, …}
is the set of all _________.

5. integers

6. This number is
not natural, but
it is whole.

7. zero

8. The sets of all rational and all irrational numbers compose
this set of numbers.

9. real

10. Integers are natural numbers, their _________ and zero.

11. opposites

13. cube

15. 11

16. What is the length of the east side of a square forest whose area is one hundred square miles?

17. 10 miles

19. 4 & 5

21. 27

22. An exponent tells us how many times to multiply the _______.

23. base

26. 4 mm

32. When an astronomer views a distant star through a telescope, she may record it as being 6.24 x 1016 miles away. A biologist may use 2.41 x to measure a specimen he views through a _________.

33. microscope

34. If scientific notation is expressed in the form:
a x bc where 1 < a < b
What number does b represent?

35. 10

36. What is the value of x 100?

37. 8

38. One billion can be expressed as 1 x 10
to what power?

39. 9th

40. Evaluate, then express in scientific notation:
(3 x 104) x (4 x 105)

41. 1.2 x 1010

42. What type of number has a decimal form that goes on forever and never repeats?

43. irrational

44. Any rational number can be written as a fraction of two __________.

45. integers

46. The square roots of all _______ squares are rational.

47. perfect

48. In the chart on the right, how many checks would the number zero receive?
Irrational
Rational
Integer
Whole
Natural

49. three

50. .246 can be written as a fraction with 246 in the numerator and ___ in the denominator.

51. 999