CHEMISTRY HIGH SCHOOL

3.490x 10^-3 + 1.100x10^-2

[?]x10^[?]

Answers

Answer 1

Answer:

$1.44* 10^(-2)$

Explanation:

We need to find the value of $3.49* 10^(-3)+1.1* 10^(-2)$ .

Here,

The first number is $3.49* 10^(-3)$

The second number is $1.1* 10^(-2)$

To add these numbers as follows :

$3.49* 10^(-3)+1.1* 10^(-2)=0.01449\n\n=1.44* 10^(-2)$

So, the value of $3.49* 10^(-3)+1.1* 10^(-2)$ is $1.44* 10^(-2)$

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Answers

The question asks average kinetic energy. So it is only related with the temperature. The higher temperature is, the higher kinetic energy is. So the answer is (4).

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Refer the attached image for the relationship of temperature with kinetic energy.

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Answers

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Explanation:

How many cans of dog food must Sam buy for his 3 dogs if each dog eats 2 cans per day? Sam only shops once a week.

Answers

Sam would have to purchase 42 cans of dog food each week.

What is the correct way to solve a Maths problem ?

Determine what the question is asking. Write down the relevant information in simple statements. Assign symbols to unknown values that need to be found. Determine how the statements relate to each other mathematically.

To find the answer we can set up an equation : 3 (x) (d)

x = number of cans each dog eats

d = the number of days in a week.

Thus,

Number of Cans to purchase = 3 (2) (7)=42

Therefore, Sam would have to purchase 42 cans of dog food each week.

Learn more about Equations here ;

brainly.com/question/21105092

#SPJ2

To find the answer you can set up an equation like this: 3(x)(d)
x would stand for number of cans each dog eats, while d stands for the number of days in a week. 3(2)(7)=42 Sam would have to purchase 42 cans of dog food each week.

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