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4 years ago

10 as a standard notation

Mathematics

1 answer:

TEA [102]4 years ago

8 0

Scientific notation:
1x10 to the power of 1
Scientific e notation:
1e1
Engineering notation:
10x10 to the power of 0

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Step-by-step explanation:

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2 years ago

No one has answered this one

krek1111 [17]

Answer:

$\displaystyle x = \frac{25\sqrt{2}}{2}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtraction Property of Equality

Trigonometry

[Right Triangles Only] SOHCAHTOA
[Right Triangles Only] cosθ = adjacent over hypotenuse

Step-by-step explanation:

Step 1: Define

Identify variables

Angle θ = 45°

Adjacent Leg = 25

Hypotenuse = x

Step 2: Solve for x

Substitute in variables [cosine]: $\displaystyle cos(45^\circ) = \frac{x}{25}$
[Multiplication Property of Equality] Multiply 25 on both sides: $\displaystyle 25cos(45^\circ) = x$
Rewrite: $\displaystyle x = 25cos(45^\circ)$
Evaluate: $\displaystyle x = \frac{25\sqrt{2}}{2}$

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3 years ago

Giving up al my point for this question

never [62]

Answer:

The mistake there is the expression shown is not in PEMDAS.

PEMDAS rule states that the order of operation starts with the parentheses first or the calculation which is enclosed in brackets. Then the operation is performed on exponents(degree or square roots) and later we do operations on multiplication & division and at last addition and subtraction.

Step-by-step explanation:

1 + 4 x 9 4 x 9 = 36

1 + 36 36 + 1 = 37

Always remeber to use multiplication first!

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3 years ago

Read 2 more answers

I know number 13 is right, how do I do 11 and 12?

snow_tiger [21]

11. 43 ; 137
12. 12 ; 102

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3 years ago

What is the question 15%of258

Readme [11.4K]

The answer would be 219.3 (:
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3 years ago