#### Multiplication with powers

Make the calculations and then fill the gaps $4x^2\cdot5x^4$

# Powers of integer exponent

Learning
8

#### Hard negative power

Choose the right answers ( more than one). $3^{-\frac56}\\$ is the same as ...

# Powers of non-negative rational basis

Training
8

#### Multiplication of powers

Simplify with the help of the first Powerlaw and choose the right answer option $x^{2\;}\times\;x^3\$

# Powers of integer exponent

Training
8

#### Interval: Surface area of a CD

Determine the surface area of one side of a CD. Identify the needed values in the task image or measure a CD you have at hand carefully. Insert your result in the answer field below. Give your result in $cm^2$ and round to one decimal place.

# Circle

Modeling
7

#### Exact Value: Angle Theorems

The image shows two parallel straight lines intersected by a third one. Determine the size of angle $\beta$ and enter the exact value (without °) in the answer field below.

# Angles

Training
7

#### Juio Le Parc Serie 48 - 1970

In this series, the Argentinian Op'Art artist Juli Le Parc, uses his famous 14 color palette to let mathematics mix them in a fixed but rather randomly looking way. Let's investigate what is happening there!

# Sequences

Modeling
5