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Tema [17]
3 years ago
6

2.5 x 13.7 4.9 + 1.6 Write down your full calculator displ

Mathematics
1 answer:
viktelen [127]3 years ago
3 0

Answer:

2.5 x 13.7 = 34.25

4.9 + 1.6 = 6.5

Step-by-step explanation:

Here we are multiplying 2 decimals we can just write it as

25 * 10^{-1} * 137 * 10^{-1}

= 25*137*10^{-2}

= 3425 *10^{-2}

= 34.25

Here we are just performing simple addition

4.9 + 1.6

= 49 *10^{-1} +16*10^{-1}

= (49+16)*10^{-1}

=65 * 10^{-1}

= 6.5

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Please help and answer why
Brilliant_brown [7]

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5-1=4

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She already makes 1 cake so we can subtract 5-1

2 cakes can be made per stick of butter so we do 4/2 which is 2

8 0
3 years ago
Which number is in the correct format for scientific notation?
olchik [2.2K]

Answer:

The answer to your question is: letter A

Step-by-step explanation:

Rules for using scientific notation:

1.- The number before the decimal point must be between 1 and 10.

2.- Determine the exponent

3.- It must be in decimal format, ( x 10)

A 3.8*10^12       This number is in correct scientific notation.

B 33.8* 10         This number is incorrect, because before the decimal point the number must be between 1 and 10.

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6 0
3 years ago
What is the fully factored form of the expression 45x²y2 + 18x3
Llana [10]

Answer:

9x^2(5y^2 + 2x).

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GCF of x^2 and x^3 = x^2.

The complete GCF is therefore 9x^2.

So, dividing each term by the GCF, we obtain:

9x^2(5y^2 + 2x).

4 0
2 years ago
Tuesday’s attendance was 70% of Monday’s attendance, 50. What was Tuesday’s attendance?
lara [203]

Answer:

35

Step-by-step explanation:

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3 0
2 years ago
NEEEEEEDDDDD HELP ASAP
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The correct answer is that there is more variability in the heights of the volleyball team members.

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3 years ago
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