All Tasks
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
11
Clinic waiting room
In a clinic the probability for a patient to wait less than 10 minutes before entering for a visit is 0.8. What is the probability for a patient, who goes 2 times to the clinic, to wait, at least 1 time, less than 10 minutes.
# Multi-stage random experiments
Training
7
Derivative of a Function
In the picture you can see the function $f(x)=-x^2+2$.
Think about the derivative and imagine drawing it. What is true?
# Derivation of functions
Training
11