Real Numbera and Connection to Algebra

What are significant digits in a number?

• Significant digits are the digits in a number that contribute to its precision, including all non-zero digits and certain zeros.

• All digits in a number regardless of their value

• Only the first digit of a number

• Digits that are always zero in a number

What is the square root of 144?

• 10

• 14

• 12

• 16

Calculate 3⁴

• 64

• 243

• 27

• 81

How many significant digits are in the number 0.00789?

• 4

• 5

• 2

• 3

Find the cube root of 27.

• 2

• 3

• 4

• 5

Calculate 2⁵

• 16

• 32

• 8

• 64

What is the value of √16?

• 2

• 5

• 4

• 3

How many significant digits are in the number

78,003,400?

• 4

• 5

• 2

• 6

Identify the parts.

• 4 is a radical/ 16 is an index/ √ is a radicand sign

• 4 is an index/ 16 is a radicand/ √ is a radical sign

• 4 is an index/ 16 is a radical / √ is a radicand sign

• 4 is a radicand/ 16 is an index/ √ is a radical sign

Is the number 0.4444444..... rational or irrational?

• rational

• irrational