Quiz about Envision Topic 1 Review

Question 1

Write as a fraction

0.8888888888......

Accepted Answer

$$\frac{1}{8}$$

Answer

$$\frac{8}{10}$$

Answer

$$\frac{4}{5}$$

Answer

$$\frac{8}{1}$$

Question 2

Write 2.191919.... as a fraction or mixed number

Accepted Answer

$$2\ \frac{19}{99}$$

Answer

$$2\ \frac{1}{9}$$

Answer

$$3\ \frac{1}{9}$$

Answer

$$2\ \frac{19}{100}$$

Question 3

$$x^3$$ = 64

What does x stand for

Accepted Answer

x = 4

Answer

x = 2

Answer

x = 6

Answer

x = 8

Question 4

What does x stand for ?

$$x^{2\ }=49$$

Accepted Answer

$$ imes=\pm7$$

Answer

$$x=\pm8$$

Answer

$$x=+7$$

Answer

$$x=+8$$

Question 5

Write as a fraction or mixed number

$$0.777777...$$

Accepted Answer

$$\frac{7}{9}$$

Answer

$$0.777....$$

Answer

$$\frac{7}{10}$$

Answer

$$0.7$$

Question 6

$$6^3 imes6^4$$

Accepted Answer

$$6^7$$

Answer

$$6^1$$

Answer

$$6^{12}$$

Answer

$$36^7$$

Question 7

$$\left(3^6\right)^{-2}$$

Accepted Answer

$$3^{-12}$$

Answer

$$3^4$$

Answer

$$18^{-2}$$

Answer

$$3^{12}$$

Question 8

Which number is IRRATIONAL?

Accepted Answer

$$\sqrt[]{67}$$

Answer

$$\sqrt[]{25}$$

Answer

5.67

Answer

1.222222...

Question 9

Which number is IRRATIONAL?

Accepted Answer

$$\pi$$

Answer

$$\frac{5}{7}$$

Answer

0.888888...

Answer

$$4\ \frac{1}{7}$$

Question 10

Which number is IRRATIONAL?

Accepted Answer

2.19119111911119...

Answer

$$-\frac{67}{4}$$

Answer

$$\sqrt[3]{8}$$

Answer

8

Question 11

What is 64?

Accepted Answer

Both

Answer

Perfect Square

Answer

Perfect Cube

Answer

Neither

Question 12

What is 100?

Accepted Answer

Perfect Square

Answer

Perfect Cube

Answer

Both

Answer

Neither

Question 13

The area of this square is $$121\ m^2$$ .

What is the side length?

Accepted Answer

11 m

Answer

21 m

Answer

100 m

Answer

10 m

Question 14

The volume of this cube is $$343\ cm^3$$ .

What is the side length?

Accepted Answer

7 cm

Answer

4 cm

Answer

8 cm

Answer

9 cm

Question 15

Is $$\pi$$ a rational or irrational number?

Accepted Answer

Irrational

Answer

Rational

Question 16

Solve

Accepted Answer

9

Answer

7

Answer

243

Answer

81

Question 17

Question 17.

Accepted Answer

x12

Answer

x4

Answer

x8

Answer

x20

Question 18

Simplify the following expression:

(x⁵)⁴

Accepted Answer

x20

Answer

x9

Answer

x

Answer

x54

Question 19

Rewrite:

x^-3

Accepted Answer

$$\frac{1}{x^3}$$

Answer

-x3

Answer

$$\frac{1}{x^{-3}}$$

Answer

-x-3

Question 20

Convert this number into scientific notation: 950,000

Accepted Answer

9.5 x 10⁵

Answer

9.5 x 10^-9

Answer

9.5 x 102

Answer

None of the above

Question 21

How would you write 4.3756 x 10⁴in standard form?

Accepted Answer

43,756

Answer

437,560,000

Answer

0.00043756

Answer

4,3756

Question 22

Convert this number into scientific notation: 0.068

Accepted Answer

6.8 x 10^-2

Answer

6.9 x 10⁶

Answer

6.8 x 10^-9

Answer

None of the above

Question 23

Write the answer in scientific notation.
7.3 x 10⁵ + 3.7 x 10⁵ =

Accepted Answer

1.1 x 10 ⁶

Answer

11.0 x 10⁵

Answer

1.1 x 10¹⁰

Answer

1.1 x 10¹¹

Question 24

Write the answer in scientific notation.
5 x 10⁸ - 3.4 x 10⁸ =

Accepted Answer

1.6 x 10⁸

Answer

2.4 x 10⁸

Answer

2.4 x 10⁰

Answer

1.6 x 10⁰

Question 25

Solve:

$$\frac{6 imes10^6}{2 imes10^3}$$

Accepted Answer

3 x 103

Answer

12 x 103

Answer

3 x 109

Answer

1.2 x 10¹⁰

Question 26

Solve the equation $$x^2=12$$

Accepted Answer

$$\pm\sqrt[]{12}$$

Answer

$$\pm6$$

Answer

$$\sqrt[]{12}$$

Answer

6

Question 27

Which number is the BASE?
2³= 8

Accepted Answer

2

Answer

3

Answer

8

Question 28

$$\frac{y^7}{y^3}$$

Accepted Answer

$$y^4$$

Answer

$$y^7$$

Answer

$$\frac{1}{y^4}$$

Answer

$$y^{10}$$

Question 29

$$h^{-3}$$

Accepted Answer

$$\frac{1}{h^3}$$

Answer

0

Answer

$$h$$

Answer

$$h^3$$

Question 30

6.5756788

Accepted Answer

Rational

Answer

Irrational

Question 31

$$-\sqrt[3]{64}$$

Accepted Answer

Rational

Answer

Irrational

Question 32

The area of the square is $$81\ km^2.$$

What is the side length?

Accepted Answer

9 km

Answer

10 km

Answer

11 km

Answer

8 km

Question 33

The volume of the cube is $$216\ mm^{3.}$$

What is the side length?

Accepted Answer

6 mm

Answer

4 mm

Answer

13 mm

Answer

12 cm

Question 34

$$\frac{\left(2.3 imes10^6 ight)}{\left(1.6 imes10^9 ight)}$$

Accepted Answer

$$1.4375 imes10^{-3}$$

Answer

$$1.4375 imes10^3$$

Answer

$$3.68 imes10^3$$

Answer

$$3.68 imes10^{-3}$$

Question 35

$$\left(7 imes10^{-6} ight) imes\left(7 imes10^{-6} ight)$$

Accepted Answer

$$4.9 imes10^{-11}$$

Answer

$$1 imes10^{-11}$$

Answer

$$49 imes10^{-11}$$

Answer

$$1 imes10^{12}$$

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