Question

What is a mathematical reasoning that uses one or more variables, numbers; or operation symbols

Answer 1

A numerical expression is a mathematical sentence involving only numbers and one or more operation symbols. Because numerical expressions can only contain numbers, expressions containing variables (such as x or y) cannot be considered numerical expressions.

Answer 2

The quotient of 8.4 times 10 Superscript 9 and a number n results in 5.6 times 10 Superscript 27. What is the value of n?

1.5 times 10 Superscript negative 18

1.5 times 10 Superscript negative 3

1.5 times 10 Superscript 3

1.5 times 10 Superscript 18

Explanation: