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Vikentia [17]
3 years ago
14

What is 4x10 to the power of 2 in standard notation?

Mathematics
1 answer:
Fofino [41]3 years ago
6 0
<span>4x10</span>²
You can either do this by solving,
4 × (10 × 10)
4 × 100
400

Or you can do it by just moving the (invisible) decimal point after 4, 2 spaces to the right (because the exponent is positive.
4.00
400

So in standard notation, it's 400.
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Substitute y = 2x + 1 y = 3x - 1
Svet_ta [14]
2x+ 1 = 3x - 1 ;
1 + 1 = 3x - 2x ;
2 = x ;
x = 2 ;
Then, y = 2x2 + 1 = 5 ;
4 0
3 years ago
carol's father was 24 years old when carol was born, now he is 4 times as old a carol how old is carol
tensa zangetsu [6.8K]

Answer:

24 - 24 = 0 (carols age past tense)

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96 - 24 = 72 (present tense)

carol is now 72 yr

8 0
2 years ago
Which of the following is the inverse of y=6*?
tankabanditka [31]

Answer:

oy=logo 6

Step-by-step explanation:

6 0
3 years ago
Sara hiked down a mountain for 4 hours. Each hour her elevation decreased by 8 meters. Compute her change in elevation to her st
Fittoniya [83]
In order for me to figure out the answer I need the "starting point" all I get from this is how much she decreased in total, which is 32.
5 0
3 years ago
Which equation can be used to find the measure of angle BAC? A.) inverse tan (5/12) B.) inverse cos (5/13) C.) inverse sin (12/5
finlep [7]

Answer:

B

Step-by-step explanation:

The angle that has tan 5 / 12 is ∠ABC so A is not the answer. The angle that has cos 5 / 13 is ∠BAC so B is the answer.

5 0
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