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Paladinen [302]
3 years ago
6

What is the product in scientific notation? (2.5 x 10-10)(7 x 10-6)

Mathematics
1 answer:
Alex3 years ago
7 0
25,000,000,000)(7,000,000
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What is the perimeter in centimetres of a regular octagon with sides measuring 17 mm?
Anit [1.1K]

Answer:

1.36 centimeters

Step-by-step explanation:

Given,

side length ( a ) = 17 mm

To find : Perimeter of regular octagon ( in cm )

Octagon has 8 sides.

Perimeter of regular octagon

= 8 x a

= 8 x 17

= 136 mm

1 mm = 0.1 cm

136 mm

= 136 x 0.1

= 1.36 centimeters ( cm )

Hence,

Perimeter of regular octagon is 1.36 centimeters.

7 0
2 years ago
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I NEED HELP PLZ FAST!!! SHOW WORK​<br><br>Side: 4 cm<br>bottom: 7.5 cm
aleksandr82 [10.1K]

<em><u>Answer:</u></em>

Around 4 : 3 because the measurements might not be perfect.

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

So the ratio of the NEW : ORIGINAL is just one side of the rectangle to the other side of the original one.

We know that the newer rectangle (or the larger one) has 4 cm as its side and that the original one (the smaller one) has 3cm as its side. Then we can create the ratio of NEW : ORIGINAL as: 4 : 3

5 0
3 years ago
H(a)=-2a + 3<br> g(a)= 2a + 1<br> Find h(a) + g(a)
krok68 [10]

Answer:

4

Step-by-step explanation:

-2a + 3 + 2a + 1

4

4 0
3 years ago
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Write the quadratic equation given the following points.<br> (1,-2) (2,-4) (3,-4)
pshichka [43]
Graph it and then tell it will come out
4 0
3 years ago
A store purchases a shirt for $16.89. The store marks up the shirt by 20%. Right now, they are having a sale for 40% off any ite
baherus [9]

Answer:

$13.04

Step-by-step explanation:

First, multiply 16.89 by 1.2, 0.6, and 1.0725. You should get a weird number on your calculator saying 13.042458, but just round 2 to the 4 ( 4 stays the same) and remove all the other numbers to get $13.04

8 0
2 years ago
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