Exponents and some...
Scientific Notation
Multiplication (Scientific Notation)
Miscellaneous
100
What is b?
b= 80/3
100
Is the following expression written in scientific notation? If not, explain why.
3.25 + 10-7
No, 3.25 should be multiplied by 10-7
3.25 * 10-7
100
(2 * 2* 103 *100)
4*103
100
(4.5 x 1028)/(3 x 1015)
1.5*1013
200
(E) 80/3
200
Write this number in scientific notation 93,000,000
9.3 x 107
200
(5.1*104)*(2.5*103)
1.275*108
200
Solve for x
(12-x)/2 = 6x+4
x= 4/11
300
54x-6= 256-x
What is x?
x=3
300
Write this number in scientific notation 0.000000302
3.2 x 10-7
300
What is the product of (1.25 x 104) and (4 x 104)?
(1.25 x 104)(4 x 104)
5 x 108
300
4x-3(x-2y)+1/2(6x-8y)
4x+2y
400
3(53x+1) +12 =387
What is x?
x = 2/3
400
The size of four oceans in square km is shown below. List the oceans from smallest to largest. Pacific Ocean: 1.796*108, Artic Ocean: 1.323*107, Atlantic Ocean: 1.061*108, Indian Ocean: 7.498*107
Artic, Indian, Atlantic, Pacific
400
(6*103*2*105)2
144*1016 or 1.44*1018
400
The longest side of a triangle is six more units than the shortest side. The third side is twice the length of the shortest side. If the perimeter of the triangle is 25 units, write and solve an equation to find the lengths of all three sides of the triangle.
x- shortest side
x +x+6+2x= 25
shortest side- 19/4, other side- 19/2, longest side- 43/4,
500
When is Ms. O's birthday?
December 28th ****
500
The size of the Sahara desert is about 30 x 106 square miles and the Arabian desert is about 900 x 105 square miles. Which desert is larger?
The Arabian desert
500
Light travels at a speed of 1.86 x 105 miles per second. It takes light from the Sun about 4.8 x 103 seconds to reach Saturn. Find the approximate distance from the Sun to Saturn.
8.928 x 108 miles
500
Solve for x:
x2 = 400
Give 2 possible answers
x = 20 or -20