Review for Monday's Quiz

Question 1

Write 56,000 in scientific notation.

Accepted Answer

5.6 x 104

Question 2

Evaluate the following:

Accepted Answer

35

Question 3

Evaluate the following:

Accepted Answer

177

Question 4

Simplify: (3x2y)4

Accepted Answer

81x8y4

Question 5

Write the quotient in scientific notation: (5.6 x 103) ÷ (7 x 105)

Accepted Answer

8 x 10-3

Question 6

Evaluate the following:

Accepted Answer

620

Question 7

The dimensions of a rectangle is (4 x 102)ft and the ( 6 x 101)ft. Find the area.

Accepted Answer

2.4 x 104 ft2

Question 8

Find the quotient: (4.4 x 107) / (2 x 10-3)

Accepted Answer

2.2 x 1010

Question 9

Find the product in scientific notation: (3.4 x 103)( 5 x 10-5)

Accepted Answer

1.7 x 10-1

Question 10

Simplify: -4x5 ⋅ 3x2

Accepted Answer

-12x7

Question 11

Write 423.2 x 108 in correct scientific notation.

Accepted Answer

4.232 x 1010

Question 12

Which property is represented: a(b +c) = ab + ac

Accepted Answer

distributive property

Question 13

Use order of operations to evaluate the following:

Accepted Answer

-64

Question 14

Which mathematical sentence represents the associative property?

Accepted Answer

(a + b) + c = a + (b + c)

Question 15

Write 2.3 x 10-1 in standard form.

Accepted Answer

0.23

Question 16

Write 6.57 x 101 in standard form.

Accepted Answer

65.7

Question 17

Simplify: 6x - ( x + 4) - 8x

Accepted Answer

-3x - 4

Question 18

Write 0.0007423 in scientific notation

Accepted Answer

7.423 x 10-4

Question 19

Simplify: 4a - 3a + 5b - 2a + 6b

Accepted Answer

-a + 11b

Question 20

Which property is represented: 3 + 0 = 3

Accepted Answer

additive identity

Question 21

Simplify: 6y - 3(y + 4) - 7y + 2

Accepted Answer

-4y - 10

Question 22

Simplify: 5(3x - 2)

Accepted Answer

15x - 10

Question 23

Which mathematical sentence illustrates the commutative property?

Accepted Answer

x + y = y + x

Question 24

Find weight of (6 x 109) dust particles, if a dust particle weighs (7.53 x10-10) g.

Accepted Answer

4.518 g

Question 25

Write 3.47 x 10-3 in standard form.

Accepted Answer

0.00347

Question 26

Find the product: 2.5(4.4 x 105)

Accepted Answer

1.1 x 106

Question 27

Simplify: 4(x - 3) + 2( 3x - 6)

Accepted Answer

10x -24

Question 28

Which mathematical sentence represents the additive inverse property?

Accepted Answer

5 + (-5) = 0

Review for Monday's Quiz

Questions 28

Review for Monday's Quiz

Questions 28