3 years ago

4x10^5 scientific notation

1 answer:

8 0

This is already written in scientific notation, but if you are asking what the answer would be written out it is: 400000

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What is the solution to the inequality 7<=-3x-4

kipiarov [429]

Answer:

The nearest option is -3 (negative 3)

So, Option B is correct.

Step-by-step explanation:

We need to solve the inequality $7 \leq -3x-4$

Solving:

Step 1: Switching sides of inequality and reversing the inequality

$-3x-4\geq 7$

Step 2: Adding 4 on both sides

$-3x-4+4\geq 7+4\\-3x\geq 11$

Step 3: Dividing both sides by -3 and reversing the inequality

$\frac{-3x}{-3}\leq \frac{11}{-3} \\x\leq -3.6\\$

The nearest option is -3 (negative 3)

So, Option B is correct.

4 0

3 years ago

How much does the atmosphere weigh over each square meter of surface? express this in tonnes (units of 1000 kg). recall the conv

Anettt [7]

Atmospheric pressure = 101,325 Newtons / m²
Weight per meter square = 101,325 Newtons
Mass per meter square = 101,325 / (9.81 x 1000)
Mass per meter square = 10.3 tonnes per m²

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3 years ago

Solve by applying the counting principle. James is choosing a Four-digit Passcode for his smartphone. How many different Passcod

EleoNora [17]

Answer:

10k.

Step-by-step explanation:

1) if for the 1st position can be used 0-9 digits (10 digits), for the 2d - 0-9 digits, for the 3d - 0-9 digits and for the 4th - 0-9 digits, then

2) the required number of pwd is: 10*10*10*10=10⁴=10000.

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2 years ago

A park mr.Denyssenkos house has a joggings trail that is 2640 meters long what is the length in centimeters if the jogging trail

Mumz [18]

Your answer is 246000 cm.

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3 years ago

Which expressions are polynomials?

Katarina [22]

I-1 is the polynomials because I is the linear term and 1 is the constant

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2 years ago