REAL NUMBERS 2

REAL NUMBERS 2

NOVEMBER 4, 2020

WEDNESDAY BELLWORK

QUESTIONS FROM CA 10/29/2020

Scientific Notation / Operations

Multiple Choice

Find the product of

(3.4 x 10 ⁵) and ( 2.2 x 10⁴)

• 7.48 x 10²⁰

• 5.6 x 10²⁰

• 7.48 x 10⁹

• 5.6 x 109

Multiple Choice

What is the scientific notation of 15 million?

• 15 x 10⁶

• 1.5 x 10⁷

Multiple Choice

 $\frac{4.5\ x\ 10^6}{1.5\ x\ 10^{-2}}$  

•  $3\ x\ 10^4$  

•  $6\ x\ 10^8$  

•  $3\ x\ 10^8$  

•  $6\ x\ 10^4$  

RECALL

Rational and Irrational

Multiple Choice

A number that can be expressed as RATIO is called_____

• RATIONAL

• IRRATIONAL

Multiple Choice

Which of the following is an example of rational number?

• $\sqrt{2}$

• $\sqrt{11}$

• $\sqrt{16}$

• $\sqrt{120}$

Multiple Choice

Which of the following is an example of irrational number?

• 0.464646...

• 0.1251273...

• 0.333...

• 0.557557...

Multiple Select

What kind of number is -8?

Check all that apply.

• Real number

• Rational

• Irrational

• Integer

REAL NUMBERS 1 (RETAKE)

DISCUSSION

Approximation of Irrational Numbers

Multiple Choice

 $\sqrt{40}$  is between what two numbers?

• 3 and 4

• 4 and 5

• 5 and 6

• 6 and 7

Multiple Choice

What is the approximate value of

 $\sqrt{70}$  

• 6.37

• 7.37

• 8.37

• 9.37

Multiple Choice

What number can be found between 9 and 10?

• $\sqrt{80}$

• $\sqrt{85}$

• $\sqrt{120}$

Poll

Daily activity

• I can do it

• I will try my best

• I will have a passing score