Summative Quiz for grade7

Identify the coefficient of the rational algebraic expression
 $-x^2+27y+y^2+47$  

• 27, 47, -1, 1

• 27

• -1, 1, 27

• 1, 27

 $-x^2+27y+y^2+47$  Identify the variables of the algebraic expression

• x, y

• -x,y

• y

• x

 $-x^2+27y+y^2+47$  Identify the number of terms

• Polynomial

• Monomial

• Binomial

• Trinomial

Identify how many significant digits are involved.

457, 000, 900

• 9

• 8

• 7

• 6

Identify how many significant digits are involved

0.075 890 0

• 8

• 7

• 6

• 5

Identify how many significant digits are involved

0.000 890 900 5

• 11

• 9

• 7

• 5

What s the scientific notation of 529000000000

• 5.29x10¹¹

• 5.29x10^-11

• 5.29x10¹⁰

• 5.29x10^-10

What s the scientific notation of 0.0000000709

• 7.09x10^-8

• 7.09x10⁸

• 7.9x10^-8

• 7.9x10⁸

What s the scientific notation of 000000.00578

• 5.78x10⁹

• 5.78x10^-9

• 5.78x10³

• 5.78x10^-3

In real number system, what is the set of positive numbers involving zero?

• Positive Numbers

• Whole Numbers

• Natural Numbers

• Integers