The expression that is equivalent to 42 + 63 is: 105
The Breakdown
42 + 63 = 105.
What is an Expression ?
A mathematical expression is a combination of numbers, variables, and mathematical operations such as addition, subtraction, multiplication, division, exponentiation, etc. It represents a mathematical relationship or calculation.
For example, some mathematical expressions are:
- 2 + 3: This expression represents the addition of 2 and 3.
- 4x - 7: This expression represents the subtraction of 7 from the product of 4 and x.
- 5 × (2 + 3): This expression represents the multiplication of 5 with the sum of 2 and 3.
- 10 / 2: This expression represents the division of 10 by 2.
- x² + 3x - 2: This expression represents a quadratic equation with variables x, involving exponentiation and addition.
Mathematical expressions are used to perform calculations, solve equations, and represent mathematical relationships in various fields of study, such as algebra, calculus, geometry, and more.