Mr anderson wrote (7 x 9) x 10 to the third power. what is the value of the expression

Answers

Answer 1

Answer:

The value of the given expression is 63000.

The given expression is (7×9)×10³.

We need to find the value of the given expression.

What is an expression?

An expression is a combination of terms that are combined by using mathematical operations such as subtraction, addition, multiplication, and division.

Now, (7×9)×10³ can be simplified as follows:

63×10³=63×1000

=63000

Therefore, the value of the given expression is 63000.

To learn more about an expression visit:

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Answer 2

Answer: ( 7 × 9 ) × 10³ = 63 × 10³ = 63000

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Please I NEED HELP WITH THIS!!!!

Answers

So you basically plot a point of the y axis on 7 then since the slope is -3x you have to go down 3 and to the right 1 and keep going then you have to do the same but opposite, go up 3 times and to the left 1 unit.

A rectangular room is four times as long as it is wide, and its perimeter is 70 meters. Find the width of the room.

Answers

W=3/4L
P=2L=2W
70=2L+2(3/4L)
70=2L+6L/4
70=2L+1.5L
70=3.5L
L=70/3.5
L=20 FT. ANS. FOR THE LENGTH.
W=4/4*20=15 ANS. FOR THE WIDTH

i think.

2(4w) + 2w = 70
8w + 2w = 70
10w = 70
W= 7 m

Again, you just have to learn to make the equations. :)

Solve by using the perfect squares method.x2 + 16x + 64= 0
a. –8
b. –16
c. 8
d. 16

Answers

x² + 16x + 64 = 0
x² + 2 * x * 8 + 8² = 0

Now, sing the formula (a + b)² = a² + 2ab + b² , we get,

(x + 8)² = 0

Square rooting on both sides, we get,

x + 8 = √0

x + 8 = 0

x = - 8 <== that's your answer!!!

x²+16x+64=(x+8)² (because (a+b)²=a²+2ab+b² => perfect square)
So you have to find x which will make (x+8)²=0
which is true when x+8=0
x=-8
That's a.
Hope it helps!

Clea estimates that a glass contains 250.55 mL of water. the actual amount of water in the glass is 279.48 mL. To the nearest tenth of a percent what is the percent error in Clea's estimate?

Answers

honestly anna made a scale drawing, in inches, of a building using a scale of 1:600. her scale drawing was 6 inches long. Greg made a scale drawing of the same building using a scale of 1:300. how long, in inches, was greg’s scale drawing.

Mike wants to put a rope around a rectangular plot of flowers he just planted. What would be the best measurement to find the length of the rope Mike needs?

A.
the height of the plot of flowers

B.
the perimeter of the plot of flowers

C.
the area of the plot of flowers

D.
the length of one side of the plot of flowers

Answers

Oh, the perimeter of the plot is absolutely what the length of the rope should be.

What are the zeros of the polynomial function: f(x) = x3 + x2 – 6x ? ...?

Answers

The solution to the problem is as follows:

　
x³ + x² − 6x = 0
x (x² + x − 6) = 0
x (x − 2) (x + 3) = 0
x = 0, 2, −3

f(x) = 2x³ + 5x² + 6x − 4
f(−x) = −2x³ + 5x² − 6x − 4

Let's look at signs only and how many sign changes there are:
f(x) = + + + −
1 sign change ----> 1 positive root
f(−x) = − + − −
2 sign changes ----> 2 or 0 negative roots

Min. number of real roots = 1 ----> max. number of complex roots = 2
Max. number of real roots = 3 ----> min. number of complex roots = 0

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

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