Question

Select the correct answer.

What is 75 equal to?
O A.
7 x 5
O B.
5 x 5 x 5 x 5 x 5 x 5 x 5
OC.
7x7x7x7x7
OD. 57

Answer 1

all are CORRECT except for D.57

Answer 2

The expression 7x7x7x7x7 is equal to 7⁵. Option C

Index forms typically refer to mathematical notation involving indices or exponents. In mathematics, index forms or exponential notation represents a number raised to a certain power.

Index forms are used extensively in expressing repeated multiplication, simplifying calculations, and representing numbers in a more concise manner.

They're fundamental in various mathematical operations, equations, and scientific notations across disciplines like algebra, calculus, and physics.

We have the expression as;

7⁵

This is rewritten as;

7 × 7 × 7× 7 × 7