Scientific Notation
Write the number as a power of 10 in exponential form.
10,000
104
Write the equivalent expression.
42 x 45
47
Evaluate:
sqrt(9)
3 and -3
Between which two consecutive whole numbers is the value?
sqrt(85)
Between 9 and 10, closer to 9
Rational or Irrational?
sqrt((36)
Rational
Write the number in standard form.
5.4 x 103
5,400
What value of k makes the equation true?
54 x 57 = 5k
k = 11
Evaluate:
sqrt(49)
7 and -7
The legs of a right triangle measure 5 cm and 12 cm. What is the length of the hypotenuse?
Use square root notation if the solution is an irrational number.
13 cm
Rational or Irrational?
pi
Irrational
Write the number in standard form.
9.33 x 106
9,330,000
Evaluate.
160
1
Evaluate:
root(3) (27)
3
The legs of a right triangle measure 7 ft and 18 ft. What is the length of the hypotenuse?
Use square root notation if the solution is an irrational number.
sqrt(373)
Rational or Irrational?
4.2222222...
Rational
Write the number in scientific notation.
155,000
1.55 x 105
Write the equivalent expression.
(4 x 103)2
42 x 106 = 16 x 106
Evaluate:
root(3) (64)
4
A leg measures 6 cm and the hypotenuse measures 10 cm. What is the length of the other leg?
Use square root notation if the solution is an irrational number.
8 cm
Rational or Irrational?
sqrt(41)
Irrational
Write the number in scientific notation.
435,000,000
4.35 x 108
Write the equivalent expression.
(2 x 104)3
23 x 1012 = 8 x 1012
Evaluate:
sqrt(169)
13 and -13
A leg measures 5 cm and the hypotenuse measures 15 cm. What is the length of the other leg?
Use square root notation if the solution is an irrational number.
sqrt(200)
Approximate the value of the expression by rounding to the nearest tenth:
sqrt(15)
3.9