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professor190 [17]
4 years ago
13

Deanna calculator that she about 5.4 x 10^4 seconds doing her math homework during October write this time in standard notation

Mathematics
2 answers:
gregori [183]4 years ago
4 0
4.875 × 105
(scientific notation)

= 4.875e5
(scientific e notation)

= 487.5 × 103
(engineering notation)
(thousand; prefix kilo- (k))
beks73 [17]4 years ago
4 0
Since the exponent of the scientific notation is positive 4, move the decimal point 4 places to the right . answer is: 54000
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1. Determine the lateral and total surface area
ANTONII [103]

The areas of the square pyramid are the amount of space on it

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<h3>How to determine the lateral surface area?</h3>

The given parameters are:

Base (b) = 12 cm

Slant height (l) = 12.8 cm

The lateral surface area is calculated using:

L = 2bl

So, we have:

L = 2 * 12 * 12.8

Evaluate the product

L = 307.2

<h3>How to determine the total surface area?</h3>

This is calculated using:

T = L + b^2

So, we have:

T = 307.2 + 12^2

Evaluate

T = 451.2

Hence, the total surface area is 451.2 square cm

Read more about areas at:

brainly.com/question/24487155

3 0
2 years ago
What is 20 divided by two
Tcecarenko [31]
First of all, this shouldn't be in high school category.
Second, 20 divided by 2 is 10. Dividing is like subtraction. You would subtract 20 by 2, and you would find that after 10 times, you will get to zero.
7 0
3 years ago
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Which expressions are equivalent to the given expression?
ale4655 [162]

Answer:

(a). and (b).

Step-by-step explanation:

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5 0
3 years ago
Helpp!!! it's easy question.. I WILL MARK AS BARINLIEST​
CaHeK987 [17]

Answer:

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<em>Hope</em><em> this</em><em> helps</em>

3 0
4 years ago
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