PEMDAS
(10×1)÷2+4
9
−3/5⋅2/3
-2/5
5.4t+6.7+1.8t−4.3
7.2t+2.47.2t+2.4
−5xy2(−8x5y)
40x6y3
Write the number 5.6×10-4 in standard form
0.00056
(72−3)−4+4
46
−3/7÷−1/2
6/7
−5(−6k−6)−(−9k−10)
39k+40
(-8x5)3
-512x15
Write the number 600,000 in scientific notation.
6.×105
−9×9+(10−7)
-78
−1/3+(−3/11)
-20/33
−4(2x+1)+4x+3=−17
x=4
(5n)(-4n)2
80n3
What is the quotient of 7.584×106 and 790 expressed in scientific notation?
9.6x103
−2+13×(6×9)
52
Solve by clearing fractions:
27= 1+1/3z
z=78
Lamonte needed to get his computer fixed. He took it to the repair store. The technician at the store worked on the computer for 4.25 hours and charged him $141 for parts. The total was $544.75. What was the cost of labor, per hour?
The cost of labor was $95 per hour.
(−3x4y2)2
9x8y4
Express in simplest radical form: sqrt(27)
3sqrt(3)
−42÷2×(−4)−(−10)
42
Solve by clearing fractions:
−1/2−3/8b=−5/6
b=8/9
Under his cell phone plan, Mamadou pays a flat cost of $52 per month and $3 per gigabyte, or part of a gigabyte. (For example, if he used 2.3 gigabytes, he would have to pay for 3 whole gigabytes.) He wants to keep his bill under $65 per month. What is the maximum whole number of gigabytes of data he can use while staying within his budget?
4 is the maximum number of gigabytes.
16x8y7/(24x8y14)
2/(3y7)
x2*sqrt(20x11)
4x7*sqrt(5x)