Quiz about Pre Algebra Review

Question 1

How do you write
8.317 x 10⁶in standard form?

Accepted Answer

8, 317, 000

Answer

8, 371, 000

Answer

83, 170, 000

Answer

837, 100

Question 2

How would you write -5.6 x 10^-3 in standard form?

Accepted Answer

-0.0056

Answer

0.0056

Answer

-5,600

Answer

0.00056

Question 3

Which of the following is correct scientific notation?

Accepted Answer

2.035 x10⁴

Answer

20.35 x 10⁴

Answer

.2035 x 10⁴

Answer

2035 4

Question 4

How would you write 0.0005 in scientific notation?

Accepted Answer

5 x 10^-⁴

Answer

50 x 105

Answer

5 x 10-3

Answer

.5 x 103

Question 5

How would you write 564,000,000 in scientific notation?

Accepted Answer

5.64 x 10⁸

Answer

5.64 x 10^-7

Answer

5.64 x 10⁶

Answer

56.4 x 10⁷

Question 6

(3.4x10^-4) x (3.2x10^-3)

Accepted Answer

1.088x10^-6

Answer

10.88x10⁷

Answer

1.088x10^-8

Answer

10.88x10^-7

Question 7

(9 x 10¹²) / (3 x 10¹⁰)

Accepted Answer

3 x 102

Answer

2 x 101

Answer

12 x 10^1.2

Answer

6 x 10-2

Question 8

(9 x 10¹²) / (3 x 10¹⁰)

Accepted Answer

3 x 102

Answer

2 x 101

Answer

12 x 10^1.2

Answer

6 x 10-2

Question 9

Multiply:
(9.4 x 10⁶)(3.2 x 10⁵)

Accepted Answer

30.08 x 10¹¹

Answer

3.8 x 101

Answer

3.008 x 10¹²

Answer

2.9375 x 10¹

Question 10

What is the simplified version of

Accepted Answer

4 x 106

Answer

3.9 x 10⁶

Answer

4 x 10²⁰

Answer

3.9 x 10²⁰

Question 11

Which is bigger?
500,000,000 or 5 x 10⁹

Accepted Answer

5 x 109

Answer

500,000,000

Answer

They're the same

Answer

Neither is bigger but one is smaller.

Question 12

Which is the smallest?
1.3 x 10²⁰2.9 x 10²¹9.5 x 10³²8.4 x 10¹⁹

Accepted Answer

8.4 x 10¹⁹

Answer

1.3 x 10²⁰

Answer

2.9 x 10²¹

Answer

9.5 x 10³²

Question 13

How many times bigger is the distance from the Earth to the Sun of 9 x 10⁶ miles than the largest distance from the Earth to the Moon of 3 x 10⁵ miles?

Accepted Answer

3 x 10¹ times bigger

Answer

3 times bigger

Answer

3 x 10¹¹ times bigger

Answer

2.7 x 10¹² times bigger

Question 14

Anything raised to a power of zero is always:

Accepted Answer

1

Answer

0

Answer

itself

Answer

negative

Question 15

How do you solve:
(2x⁵)(6x⁴)

Accepted Answer

MULTIPLY coefficients
ADD exponents

Answer

MULTIPLY coefficients
MULTIPLY exponents

Answer

DIVIDE coefficients
SUBTRACT exponents

Answer

Combine like terms

Question 16

How would you change this to a positive exponent:
1/x^-3

Accepted Answer

x3

Answer

1/x3

Answer

3x

Answer

1/3x

Question 17

Simplify (-4r⁵)(2r⁸)

Accepted Answer

-8r13

Answer

-2r13

Answer

-8r40

Answer

-2y40

Question 18

^simplify 5x³2x²

Accepted Answer

10x5

Answer

3x

Answer

10x6

Answer

7x5

Question 19

(x5)4

Accepted Answer

x20

Answer

x9

Answer

x

Answer

x54

Question 20

According to exponent rules, when we divide the expressions we _______ the exponents.

Accepted Answer

subtract

Answer

add

Answer

multiply

Answer

divide

Question 21

Place the numbers from least to greatest.
-2.5, -3.5, -1.5, -2.4, 0, -3.75

Accepted Answer

-3.75, -3.5, -2.5, -2.4, -1.5, 0

Answer

0, -1.5, -2.4, -2.5, -3.5, -3.75

Answer

-1.5, -2.4, -2.5, -3.5, -3.75, 0

Answer

0, -3.75, -3.5, -2.5, -2.4, -1.5

Question 22

Fill in the blank with <, >, =
3/9 _________ 0.03

Accepted Answer

>

Answer

<

Answer

=

Question 23

Convert 4/5 to a decimal

Accepted Answer

.80

Answer

.45

Answer

.40

Answer

.54

Question 24

Convert 5/8 to a decimal.

Accepted Answer

0.625

Answer

0.658

Answer

0.62

Answer

0.626

Question 25

Convert 3.56 to a fraction.

Accepted Answer

89/25

Answer

3.56/100

Answer

353/99

Answer

28/5

Question 26

Convert 4.363636... to a fraction.

Accepted Answer

48/11

Answer

4/11

Answer

4.36/99

Answer

34/25

Question 27

Question 27.

Accepted Answer

2   23/99

Answer

2   23/100

Answer

2   23/10

Answer

2   23/9

Question 28

Question 28.

Accepted Answer

2   4/9

Answer

24/99

Answer

2   2/5

Answer

6/25

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