8th Grade Quiz

Properties of Integer Exponents

100

2^3 x 12^3=

24^3

200

(5^2)^4

5^8

300

6^5 divided by 6^3 =

6^2

400

(3^4)^5 =

3^20

500

6^4 x 2^4 =

12^4

Properties with Negative Integer Exponents

100

Write 8^-2 with a positive exponent

1/8^2

200

Evaluate (-7)^0

1

300

1/5^-3

5^3

400

14(6^-2)=

7/18

500

27x^0y^-2=

x=4    y=3

3

Powers of 10 to Estimate Quantities

100

Estimate 3,564,879,000

4 x 10^9

200

Estimate 0.000000235

2 x 10^-7

300

Estimate 0.00002468

2 x 10^-5

400

Estimate 365,882

4 x 10^5

500

Estimate 0.037854921

4 x 10^2

Scientific Notation

100

Write 0.00000703 in scientific notation

7.03 x 10^-6

200

Write 350 in scientific notation

3.5 x 10^2

300

Write 9.225 x 10^8 in standard form

922,500,000

400

Write 6.3 x 10^-8 in standard form.

0.000000063

500

Is 23 x 10^-8 written in scientific notation?

No

Operations with Scientific Notation

100

(5.97 x 10^24) - (7.35 x 10^22)

5.8965 x 10^24

200

(2.3 x 10^6) + (1.6 x 10^9)

1.6023 x 10^9

300

(2.3 x 10^6) x (1.6 x 10^9)

3.68 x 10^15

400

(2.3 x 10^6) divided by (1.6 x 10^9)

1.4375 x 10^-3

500

1.9 x 10^7 =

(1 x 10^5) x (1.9 x 10^N)

Find N

N = 2