What is an expression?

Depends on what kind of expression you are talking about, A mathematical expression, or a normal expression.

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Mathematical

When you combine numbers and variables using operations such as addition, subtraction, multiplication, division, exponentiation, and other operations.

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Normal

A look on someone's face or a word or phase.

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I hope that i helped!

May i have brainliest?

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000