Are you smart?

scientific notation

100

79,300 in scientific notation 

7.93x10⁴

200

602200000000000000000000 in scientific notation 

6.202x10²³

300

2.57432 in scientific notation

2.57432 × 10³

400

0.004 scientific notation 

4×10^-3

500

1,000,000,000,000,000,000 in scientific notation 

1x10¹⁸

true of false

100

23x10^{4 is in scientific notation} 

false 

200

Scientific notation is only used to rewrite really large numbers to make them easier to work with.

 false, Scientific notation is used to express both very large and very small numbers in a simplified form.

300

Any number can be written in scientific notation. 5 can be written as 5.0 × 10^0.

false

400

The coefficient must be a number greater than or equal to 1,

true

500

7.39×1007.39 cross 10 to the 0 power

is a valid representation of scientific notation.

True. A power of 10010 to the 0 power is equal to 11, so 7.39×1007.39 cross 10 to the 0 power is simply 7.397.39 and correctly formatted with a coefficient between 11 and 1010

.

multiplication

100

9x9-1

80

200

(4+5)x12

108

300

(7x7)-49

0

400

54-9x6+1

1

500

49+7x7-98

-98

negative numbers

100

1-2

-1

200

-2-2

-4

300

-300-120

-420

400

-3-5

-8

500

-45x4

-180

easy

100

7x7

49

200

200x400

80000

300

45x44

1980

400

3x3+9

18

500

6x7-2

40