Integers and Scientific notation Review

Scientific to Standard

100

2.5 x 10²

250

200

8.6 x 10³

8,600

300

670 x 10^-5

0.00670

400

3.92400 x 10⁵

392,400

500

0.065 x 10^-9

0.000000065

Standard to Scientific

100

82

8.2 x 10

200

266

2.66 x 10²

300

61,000,000,000

6.1 x 10¹⁰

400

0.000000075

7.5 x 10^-8

500

00000000000000000000031

3.1^-22

Multiplication

100

6 * 4

24

200

-6 * 8

-48

300

(-12) * (-7)

84

400

(-6) * (-3) * (2)

36

500

(-4) * (-5) * (-6)

-120

Division

100

12 ÷ 4

3

200

(-24) ÷ (-3)

8

300

-144 ÷ (12)

-12

400

48 ÷ 3 ÷ (-4)

16

500

(16 * 3)/(-2)

-24

Simplifying Expressions

100

5 + 6 * 4

29

200

25 - (-4 * 5)

45

300

6 * 7 ÷ (-2) 

-21

400

2x + 5 ; x = 10

25

500

2x - (-x) * 3 ; x = 3

-3