Grade-9 Maths - Non Calculator

Exponent Laws

100

(3x²)(2x⁵) = ? 

6x⁷

200

(-5x^3)/(10x^2)^2

 

-1/(20x) or (-1)/(20 x)

300

(root3(-8)*27^(1/3))/81^(1/4)

-2

Number

100

Express  0.2/0.03 as an improper fraction with integers

(0.2xx100)/(0.03xx100)=20/3

200

Express  0.0bar8 as a fraction using integers

1/10*(8/9) = 8/90