Unit 1

Scientific to Standard

100

7.2 x 10³ in standard notation

7200

200

8.123 x 10^-4 in standard notation

0.0008123

300

9 x 10⁸ in standard notation

900000000

400

1.84 x 10 in standard notation

18.4

500

3.765 x 10^-10 in standard notation

0.0000000003765

Classifying Real Numbers

100

-9

integer

200

0

whole

300

8

natural

400

-0.625478652496261.....

irrational

500

0.36

rational

Standard to Scientific

100

635000 in scientific notation

6.34 x 10⁵

200

0.00134 in scientific form

1.34 x 10^-3

300

107500 in scientific form

1.075 x 10⁵

400

0.000000000098 in scientific form

9.8 x 10^-11

500

574.3 in scientific form

5.743 x 10²

Ordering Real Numbers

100

Increasing order

5.32, 8.94, 1.5, 2.4

1.5, 2.4, 5.32, 8.94

200

Descending order

1.2, -5.34, -3.45, 9

9, 1.2, -3.45, -5.34

300

Decreasing order

1.2, 1.23, 1.4, 1.19 

1.4, 1.23, 1.2, 1.19

400

increasing order

1/5, 87%, 4/7 8%

8%, 1/5, 4/7, 87%

500

ascending order

5/9, -4/13, 7/18, -9/17

-9/17, -4/13, 7/18, 5/9

Comparing Real Numbers

100

which is bigger? 0.25 or 0.26

0.26

200

which is smaller? 1/5 or 7/19

1/5

300

which is bigger? -6.78 or -6.72

-6.72

400

which is bigger? 15% or 15

15

500

which is smaller? -15% or -7/20

-7/20