Gotta estimate them, anyone know
1 answer:
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<h3>Answer:</h3>
2 × 10²⁴ atoms Na₃P
<h3>General Formulas and Concepts:</h3><u>Math</u>
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
- Left to Right
<u>Chemistry</u>
<u>Atomic Structure</u>
- Using Dimensional Analysis
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<u>Step 1: Define</u>
4 mol Na₃P
<u>Step 2: Identify Conversions</u>
Avogadro's Number
<u>Step 3: Convert</u>
<u /> = 2.4088 × 10²⁴ atoms Na₃P
<u>Step 4: Check</u>
<em>We are given 1 sig fig. Follow sig fig rules and round.</em>
2.4088 × 10²⁴ atoms Na₃P ≈ 2 × 10²⁴ atoms Na₃P
Answer:
A) three-fourths of a number plus two
Step-by-step explanation:
To find out what the answer is, we first need to translate the sentence into numbers, which will give us:
x+2
We can see that we are multiplying an unknown number, x, by three fourths, so we know that we are taking three-fourths of a number, and we also know that we are then adding two. We are not dividing or subtracting, so we know it can't be B or D. We also know that we are multiplying three-fourths by x, not two so we know that it can't be C. So our only option is A, So the correct answer is:
A) three-fourths of a number plus two
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