1st Revision GR.6

Multiple Choice

Write the exponent for the expression

5x5x5x5

• 25

• 5

• 20

• 4

Multiple Choice

The prime factorization of 21 is.............

• 3x3x7

• 3x7

• 7x7

• 7x4

Multiple Choice

19 is a composite number

• true

• false

Multiple Choice

Use order of operation to evaluate

25-2²X3+1

• 14

• 13

• 50

Multiple Choice

Use order of operations to evaluate

(3-2)+3²X3

• 27

• 28

• 7

• 21

Multiple Choice

Find LCM of 5 and 15

• 5

• 15

• 3

• 8

Multiple Choice

A variable is a letter or symbol that represents an unknown quantity

• true

• false

Multiple Choice

c and 3c are like terms

• true

• false

Multiple Choice

......... is a composite number because it has more than 2 factors

• 64

• 19

• 3

• 17

Multiple Choice

Evaluate the expression.

7.1 x 10⁵

• 710,000

• 71,000

• 7,100