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Morgarella [4.7K]
4 years ago
13

Record the product. use expanded form to help.4x21=

Mathematics
2 answers:
Luda [366]4 years ago
7 0
8.4 * 10^1 is what I think the answer is 
Vladimir [108]4 years ago
3 0
To use it in expanded form
(4×20)+(4×1)=84
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Solve inequality for v​
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Answer:

\displaystyle v > \frac{-28}{5}

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle \frac{-10}{7}v > 8<u />

<u />

<u>Step 2: Solve for </u><em><u>v</u></em>

  1. Divide both sides by \displaystyle \frac{-10}{7}:                    \displaystyle v > \frac{-28}{5}

Here we see that any value <em>v</em> greater than \displaystyle \frac{-28}{5} would work as a solution to the inequality.

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