Approximating Irrational Roots
Integers Properties
Writing in SN
Add/Subtract SN
Multiply/Divide SN
100
What is the approximation of the square root of 12?
A) 3.3
B) 3.4
C) 3.5
3.4
(3.32=10.89, 3.42=11.56, 3.52=12.25)
100
Write an equivalent expression using the properties of exponents.
t7 x t9
t7+9 = t16
100
Write the below in standard form.
5.0132 x 106
5,013,200
100
Find the difference. Answer must be in SN.
6.4x103 - 4.1x103
2.3 x 103
100
Find the product. Answer must be in SN.
(1.2x104) (4.2x102)
5.04 x 106
200
What is the approximation of the square root of 28?
A) 5.1
B) 5.2
C) 5.3
5.2
(5.12=26.01, 5.22=27.04, 5.32=28.09)
200
Write an equivalent expression using the properties of exponents.
b8 / b5
b8-5 = b3
200
Write the below in SN.
0.000007102
7.102 x 10-6
200
Find the sum. Answer must be in SN.
8.3x104 + 7.1x104
1.54x105
200
Find the quotient. Answer must be in SN.
5.24x108
4x103
1.31 x 105
300
What is the approximation of the square root of 60?
A) 7.6
B) 7.7
C) 7.8
7.7
(7.62=57.76, 7.72=59.29, 7.82=60.84)
300
Write an equivalent expression using the properties of exponents.
(2w7)3
21x3w7x3 = 23w21 = 8w21
300
TWO PART QUESTION: Is the below in SN? What would it be in correct SN?
17.01 x 10-3
No. The Mantissa can only have one digit in front of the decimal (NOT TWO).
1.701 x 10-2
300
Find the sum. Answer must be in SN.
1.3x105 + 4.5x106
4.63 x 106
300
Find the product. Answer must be in SN.
(6.1x105) (3.7x105)
2.257 x 1011