Exponents
Write in exponential form:
(-3)(-3)(-3)(2)(2)
(-3)3(2)2
Evaluate:
sqrt(81)
9, -9
Evaluate:
cbrt(-125)
-5
Convert to scientific notation:
0.00053
5.3 x 10-4
Which one is the biggest number?
1.4 x 1012 or 15.2 x 1011
15.2 x 1011 = 1.52 x 1012 which is bigger
Write in exponential form:
xy . xy . xy . z . z . z
(xy)3 . z3
Evaluate:
- sqrt(64)
-8
Evaluate:
cbrt(13,824)
24
Convert to scientific notation:
128,030,000
1.2803 x 108
Which number is smaller?
0.000000957 or 0.000001
0.000000957 is smaller
Simplify:
(-7)2 t-5 r0
49 / t5
What two consecutive integers does sqrt(21) lie between?
4 and 5
What two consecutive integers does the cube root of 900 lie between?
9 and 10
Convert to standard form:
8.3209 x 10-5
0.000083209
Order the following from least to greatest:
6-2, 31%, 3.1 x 10-2
6-2, 3.1 x 10-2, 31%
Simplify:
(-2)58-1(7)0
=-32/8=-4
What two consecutive integers does sqrt(367) lie between?
19 and 20
What two consecutive integers does the cube root of -15,000 fall between?
-24 and -25
Convert to standard form:
4.7009 x 105
470,090
Bonus (x2 points): What is Mrs. Mock's dog's name?
Hint: He is named after a US state.
Dakota
Simplify:
-53(-10)-1 h-7a-3
= -125/-10h7a3 = 25/2h7a3
What is the sqrt(-25)?
Not possible.
What two consecutive integers does the cube root of (-820) lie between?
-9 and -10
The sun is 1.5 x 108 kilometers away from earth. The moon is 3.844 x 105 kilometers away from the earth. Which is closets to earth, and by how much? Write your final answer in scientific notation.
The Moon is closer by 1.496156 x 108 kilometers.
150,000,000 - 384,400 = 149,615,600
When is Mrs. Mock's birthday?
Hint: The month, day, and year all end in a zero.
10/20/2000
October 20th, 2000