Scientific/ Standard Notation
If you move your decimal to the left then the exponent will be positive or negative?
Negative
2(b + 12) = 16
b = -4
Identify the base and the exponent in the following expression.
45
4 is the Base and 5 is the Exponent
Which fraction is equivalent to 1.5?
A) 15/10
B) 15/100
C) 100/15
D) 10/15
A) 15/10
1.101001000 is rational or irrational?
Irrational
If you move your decimal to the right then the exponent will be positive or negative?
Positive
6x - 3 = 3x + 12
x = 5
Solve: x2 = 144
x = Positive or negative 12
Larry has written 6/10 of his book report. Which decimal represents the part of the book report he has written?
0.6
7.478478 is rational or irrational?
Rational
0.0000519 expressed in scientific notation
5.19 X 10-5
2(k-5) + 3k = k + 6
k = 4
Find the correct exponent to write 7,800,000,000 in scientific notation.
7.8 X 10?
9
Determine the two integers that have the square root of 158 between them.
12 and 13
Irrational means
It does not repeat nor terminate and goes on forever.
Write 13,800,000,000 in scientific notation.
1.38 X 1010
2(2m) + 4(4m+2) = 108
m = 5
What is the cube root of 4913?
17
Which number is closest to the square root of 66 ?
8.1
Rational means
It repeats or terminates and can be a ratio or fraction.
What is 2.03×1011 written in standard notation?
203, 000, 000, 000
What is the solution of the equation −14+2x+3=4x−13−7x?
x = -2/5
Re-write the following using exponents:
2*2*2*2*y*y*y*y*y*y*x*x*x
24y6x3
Which two whole numbers is the square root of 20 between?
4 and 5
An irrational number can also be rational.
True or False
False