Math Jeopardy

Scientific notation

100

change 460,000,000 into scientific notation

4.6X10⁸

200

The average distance between earth and moon is 3.57x10⁵ kilometers.

change this scientific notation into stand form

357000 km

300

12x10¹²+(34x10^-23)

4.6x10^-10

400

0.3x10⁴x12x10^-12

1.17x10^-7

500

3x10^-34(6.6x10³)

3.6x10^-31

Exponent

100

(8¹²)(8⁷)/(8⁴)=

8¹⁵

200

（7w²x⁷)(2w²V⁸）=

14w⁴x⁷v⁸

300

(ab¹⁰/ab⁶)²³

a²³b²⁷

400

x²+6²-3²=52

x=5

500

[(4x)⁴+(5²x)³]4

63524x⁴

Combing like terms

100

7vw+4cw=

7v2w+4c

200

6xh5y+3xg98y-2t5cd

9x103yh+g-2t5cd

300

3x²-5x-2x+x²

4x²-7x

400

4x6yw7wxv12x5w=

10080x³w³v

500

(5x)²(98x/7x)+2x(5*6)

25x²16x+30

Equations

100

4x+5=12x-7

x=1.5

200

6(8x)-7=-5x-8+3x+2

x=0.02

300

x-(12*5)-5=-4x+（12*3）

20.2

400

9(4x)-(5*8)=-15x/5²

x=1.0923

500

[3x-4/(4-2)+8]+[(9/3)⁴+(6)³]=85x+7

x=3.544910179640719

Word problem

100

Tenzing lost half of his card collection in a rainy day.  He bought 5 times of the card he lost.He has 125 cards after he bought those new cards. How many cards he start with?

50 cards

200

Nirjan is choosing a plan. Plan A charges 10$ and 0.05$ per call. Plan B charges 0.25$  per call. At how many phone call both plan charges the same?

50 calls

300

Tenzing is selling music CDs. Each CD cost 5$. How many CDs can Andy bought from Tenzing if he has 6.1x10¹¹$?

122000000000CDs

400

Chen Yu is selling T-shirts. He start with 10$ and 3$ per T-shirt. Kaiqi is also selling T-shirts. He start with 15$ and 2$ per T-shirt. Who earns more money when they both sell 20 shirts?

Chen Yu sell 15 more dollar than Kaiqi

500

The weather in Florida is twice higher than the weather in NJ. The weather in NJ is 5 degrees higher than the weather in NY. The weather in NY is 20 degrees. What is the weather in Florida?

50 degrees