Fluidité · Pack B
Exponents and Indices
Répondez à chaque question. Montrez les calculs si nécessaire.
-
Evaluate $3^{4}$.
-
Evaluate $12^{0}$.
-
Simplify $x^{5} \times x^{2}$.
-
Simplify $\dfrac{x^{10}}{x^{4}}$.
-
Simplify $(x^{4})^{3}$.
-
Simplify $(5 x^{2})^2$.
-
Write $5^{-2}$ as a fraction.
-
Write $45000$ in standard form (scientific notation).
-
Write $0.00007$ in standard form.
-
Write $6.3 \times 10^{3}$ as an ordinary number.
-
Simplify $2 x^{3} \times 5 x^{4}$.
-
Simplify $\dfrac{18 x^{8}}{3 x^{2}}$.
-
Simplify $\left(\dfrac{x^{7}}{x^{3}}\right)^{2}$.
-
Simplify $x^{7} \times x^{-4}$.
-
Write $\dfrac{1}{x^{6}}$ using a negative index.
-
Calculate $(4 \times 10^{3}) \times (5 \times 10^{2})$, giving your answer in standard form.
-
Calculate $\dfrac{9 \times 10^{5}}{3 \times 10^{2}}$ in standard form.
-
Simplify $\dfrac{x^{6} \times x^{2}}{x^{5}}$.
-
How many times larger is $6 \times 10^{8}$ than $2 \times 10^{4}$?
-
Simplify $(-2 x^{3})^{3}$.
-
Evaluate $81^{1/2}$.
-
Evaluate $64^{1/3}$.
-
Evaluate $27^{2/3}$.
-
Evaluate $49^{-1/2}$.
-
Simplify $\dfrac{(3 x^{2})^{3}}{x^{4}}$.
-
Calculate $(4 \times 10^{6}) + (2 \times 10^{5})$ in standard form.
-
Simplify $(27)^{-2/3}$.
-
Solve $2^x = 128$.
-
If $x = \dfrac{2}{3}$, evaluate $x^{3}$.
-
Write $\sqrt[5]{x^{3}}$ using a fractional index.
-
Solve $2^{x+1} = 64$.
-
Solve $3^{2x} = 729$.
-
Simplify $\dfrac{(3 x^{2})^{2} \cdot x^{3}}{x^{5}}$.
-
The mass of Earth is $6 \times 10^{24}$ kg and the mass of the Sun is $2 \times 10^{30}$ kg. How many times more massive is the Sun?
-
Simplify $\dfrac{x^{4} \cdot y^{-3}}{x^{-2} \cdot y^{5}}$, expressing the answer with positive indices.
-
Evaluate $(81)^{3/4}$.
-
Light travels at $3 \times 10^8$ m/s. Calculate the distance light travels in $200$ seconds, in standard form.
-
Solve $2^{x} \cdot 2^{x+1} = 128$.
-
Simplify $\left(\dfrac{3x^{4}y^{5}}{x^{1}y^{2}}\right)^{2}$.
-
Solve $x^{1/3} = 5$ for positive $x$.