3 years ago

Multiply (8.42×10^3)(5×10^2) in scientific notation

Mathematics

1 answer:

Liono4ka [1.6K]3 years ago

3 0

4.21 x 106 is the answer

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Too hard for me. I'm only in 5th grade

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3 years ago

Toms son works in a sports store.Toms son earns a commision. He makes 2.5% of the amount he sells. Last week he sold $900 worth

siniylev [52]

Answer:

22.5

Step-by-step explanation:

2.5/100= 0.0250

0.025 x 900 = 22.5

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3 years ago

5. How many solutions does the equation 7x + 3x – 8= 2(5x – 4) have? Explain.

GREYUIT [131]

Answer:

Your answer is: Infinitely Many

Any value of x makes the equation true. Also, they are all real numbers.

Step-by-step explanation:

If you are solving to find all Complex Number Solutions: ↓

Solve the equation to find all of the complex solutions and that means that equation will be always true.

Hope this helped : )

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3 years ago

Find the slope of the line (18,0)(10,-5)

Leya [2.2K]

Answer:

$m=\frac{5}{8}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (18, 0)

Point (10, -5)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute [SF]: $m=\frac{-5-0}{10-18}$
Subtract: $m=\frac{-5}{-8}$
Simplify: $m=\frac{5}{8}$

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2 years ago

Read 2 more answers

Can someone please help me?

Vadim26 [7]

Answer:

0.84

Step-by-step explanation:

hope this helps, brainliest appreciated!

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2 years ago