     #### Write number as a power

How can you write the number $250$ as a power?

# Powers of integer exponent

Modeling
8     #### Exponential inequality

For which values ​​of $x$ is it true that: $(\frac{1}{2})^{x+9}>4$. It uses only the properties of the powers.
# Powers of non-negative rational basis
# Exponential properties

Modeling
13     #### Algebraic expression with powers

Solve the following expression: $4^7 ∶ 4^5 + 3^2 \cdot 6^2 ∶ 6^2 + 12^4: 12^3 − (5^4)^3 ∶ 5^{10}$

# Powers of integer exponent

Training
8      #### Multiplication with a number

What is the result if you multiply the fraction $\frac{2}{3}$ with the number 5?

# Fractions

Learning
6      #### It’s time to eat!

There is a pizza composed by eight slices. Vanessa is hungry and decides to eat five slices. How much pizza is left? Write it in a fraction.

# Fractions

Modeling
6    #### Derivative of e

In the picture you can see the function $f(x)=e^x$. Think about the derivative and imagine drawing it. What is true?
# Exponential function
# Derivation of functions

Reasoning
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