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FinnZ [79.3K]
3 years ago
8

Explain how to multiply decimals by powers of 10. Use 8.653 x 10 3 as an example, to show how the multiplication is done.

Mathematics
2 answers:
vladimir2022 [97]3 years ago
7 0

Answer:

when you get your answer add 10

Step-by-step explanation:

svp [43]3 years ago
6 0

Answer:

8653

Step-by-step explanation:

You move the decimal point over how many places its being multiplied.

I don't think I put that in right, sorry...

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Mr.O'Brien is paid $10 per hour for the first 40 hours he works in a week. He is paid 1.5 times that rate for each hour after th
erma4kov [3.2K]


In first 40 hours he earns = 7.30 x 40 = $292
Each hour after his rate = 7.20 x 1.5 = $10.80 per hour
In extra four hours he earns = 10.80 x 4 =  $43.20 

Total earnings = $292 + $43.20 = $335.20 
Therefore you don't agree
Hoped this helped you

8 0
3 years ago
Can someone please help
Westkost [7]

Answer: B & D

<u>Step-by-step explanation:</u>

A is not correct because it says "in the city" instead of "in Elan's school"

C is not correct because it says do NOT ....

4 0
3 years ago
What equation shows that you can find the power of a power by finding the product of the exponents?
dimaraw [331]
(a^m)^n = a^ m*n hope the helps

5 0
3 years ago
Read 2 more answers
40.51x+12.45y=666.64
irga5000 [103]

Answer:

The graph of the equation 40.51x+12.45y=666.64 is attached with the answer where the horizontal axis represents the X axis and the vertical axis represents Y axis.

To plot the graph physically just find two points lying on the line. Mark the points on the graph sheet and then join them. This will give you the line represented by the equation.

To find points on the line assume the value of any one variable, substitute it in the equation, then solve the equation to find the value of other variable. For example : assume y = 1; substitute the value of y in the equation;

⇒ 40.51x + 12.45×1 = 666.64

⇒ 40.51x = 666.64 - 12.45

⇒ 40.51x = 654.19

⇒ x = \frac{654.19}{40.51}

⇒ x ≈ 16.149

Therefore point ( 16.149 , 1 ) lie on the graph of the equation.

***Only two points are required to plot this graph just because it represents a straight line, that we can conclude just by observing the equation. If in an equation the power of x is 1 or 0 and power of y is 1 or 0 then only it will represent a straight line in 2-D plane.***

5 0
3 years ago
Please help thanks!!
Sidana [21]

So for this, you will be doing two different multiplications: 3 x 4 and √8 x √3.

3 x 4 = 12

√8 x √3 = √24

Now our result is 12√24, however, this can be simplified. Using the product rule of radicals (√ab = √a x √b), our simplification is such:

12√24 = 12√(8 x 3) = 12√(4 x 2 x 3) = 2 x 12√(2 x 3) = 24√6

In short, the answer is 24√6, or the first option.

4 0
3 years ago
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