Surprise!
28.743x = 365.61096
12.72
Simplify: 6r ⋅ 5r2
30r3
3x + 6(6x + 5) = 225
5
15x - 21 = 13x + 13
17
Write in Scientific Notation: 0.000000786
7.86 X 10-7
10 + x/6 = -3
-78
Simplify: 9xy2 ⋅ 9x5y2
81x6y4
6x + 6(7x - 2) = 228
5
-78 - 6x = -11x + 87
33
Write in Standard Notation: 6.17 × 103
6,170
19 = -3x - 2(-6x + 22)
7
Simplify using only positive exponents: (2x2)2
4x4
3x + 5(6x + 22) = -121
-7
13x - 90 = 5x + 102
24
Rewrite in proper Scientific Notation: 28.8 × 10-9
2.88 X 10-8
Brenda's school is selling tickets to a spring musical. On the first day of ticket sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets. What is the price each of one senior citizen ticket and one child ticket?
senior citizen ticket: $4, child ticket: $7
Simplify only using positive exponents: 10p4/6p
5p3/3
-18 = 6x - 3(5x - 12)
6
-2x - 124 = 36 + 6x
-20
Simplify and rewrite in Scientific Notation: (4.11 × 105 )(8.65 × 10-5)
3.555 X 101
All 231 students in the Math Club went on a field trip. Some students rode in vans which hold 7 students each and some students rode in buses which hold 25 students each. How many of each type of vehicle did they use if there were 15 vehicles total?
8v; 7b
(3x2 ⋅ 2x2 )2
36x8
-18 = 6x - 3(5x - 12)
6
−5(1 − 5x) + 5(−8x − 2) = −4x − 8x
-5
Simplify and rewrite in Scientific Notation: (8.31 × 10-3 )(6.6 × 10-6)
5.485 X 10-8