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VMariaS [17]
2 years ago
12

Which is a step when multiplying or dividing numbers written in scientific notation?

Mathematics
2 answers:
jok3333 [9.3K]2 years ago
7 0
A, like the other guy said it says it in the answers
Veronika [31]2 years ago
4 0
It’s A
As it says in the answer, you usually add / subtract the exponents when needed.
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Use 3.14 for and do not round your answer. Be sure to indude the correct unit in your answer.
Katen [24]
A= pi x radius ^2
A= 3.14 x 5^2
A= 3.14 x 25
A= 3.15 x 25
A= 78.5
5 0
3 years ago
What is the area of this figure?
scoundrel [369]
The answer would be <u>189 cm²</u>.  Multiply the legs of the triangle (12 x 9), and keep that answer.  Usually, to measure the area of a triangle, you would multiply the legs and divide by 2, but since there are two congruent triangles in the same shape here, you don't have to.  Next step would be to add the area of the square in the middle (9 x 9).  Add 12x9 to 9x9 (108 + 81) to get 189.

Hope this helps!  If it did, would my mind marking my answer as Brainliest? Thanks :D
3 0
3 years ago
A rectangular block of metal is 256mm long, 152mm wide and 81mm high. If the metal block is melted to form a cube, find the leng
Nimfa-mama [501]

Answer:

147mm

Step-by-step explanation:

volume of the block:

256×152×81

3,151,872 mm³

volume of a cube: side³

side³ = 3,151,872

side = 3,151,872^⅓

side = 146.618753863

approximately 147 mm

8 0
3 years ago
Ana has $75 and saves an additional $13 per week. Which equation can be used to find how many weeks it will take until she has $
mezya [45]

Answer:

75 + 13w = 452

Step-by-step explanation:

because u need to find 452 and you have 75 extra and getting 13 weekly

5 0
3 years ago
The questions in the first section on a test are worth 3 points and the questions in the second section are worth 5 points. Let
Nonamiya [84]

Answer:

8

Step-by-step explanation:

edge 2020

4 0
3 years ago
Read 2 more answers
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