GCSE Secondary Maths Age 13-17 - Algebra: Use of Calculator - Explained

The video tutorial covers two main calculator exercises. The first part demonstrates how to calculate the 5th root of 3.2 * 10^11 using a calculator, emphasizing the use of exponentiation. The second part explains how to compute 10 raised to the power of 3/4 and round the result to one decimal place. The tutorial highlights the importance of understanding calculator functions, especially for exponentiation and handling fractions, to solve these types of math problems efficiently.

What is the result of finding the 5th root of 3.2 * 10^11 using a calculator?

• 300

• 400

• 200

• 100

How can you express the 5th root of a number using exponents?

• Raise the number to the power of 1/5

• Raise the number to the power of 1/4

• Raise the number to the power of 1/3

• Raise the number to the power of 1/2

What is the value of 10 raised to the power of 3/4, rounded to one decimal place?

• 5.9

• 5.6

• 5.7

• 5.8

Which key on a calculator is essential for solving problems involving fractional exponents?

• Addition key

• Subtraction key

• Power key

• Division key

Why is it important to understand the use of the power key on a calculator?

• To divide numbers accurately

• To multiply large numbers

• To solve problems involving fractions and exponents

• To perform addition quickly