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3 years ago

9

Light travels at approximately 186,000 miles per second. How is 186,000 written in scientific notation?

2 answers:

Mandarinka [93]3 years ago

6 0

${\huge{\textsf{\textbf{\color{Purple}{An}{\textsf{\textbf{\color{hotpink}{sw}{\textsf{\textbf{\color{blue}{er}{\textsf{\textbf{\color{green}{࿐}}}}}}}}}}}}}}$

➳This number can be written in scientific notation as 1.86 times a power of 10.

ryzh [129]3 years ago

4 0

Answer:1.86*10^5

Step-by-step explanation:

Scientific notation is simple. First you place a decimal after the first numerical digit. Then for every digit after the decimal you would multiply by 10 to get back to the standard form. Instead of constantly multiplying by 10 you will raise the exponent.

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Nadine can send or receive a text message for $0.15 or get an unlimited number for $5.00. Write and solve an inequality to deter

34kurt

Answer:

0.15*t < 5.00

33 texts

Step-by-step explanation:

given : $0.15 per text; unlimited cost is $5.00

# of texts = t

0.15*t < 5.00

t < 33.33; since you cannot make 33.33 texts i will round down to 33 texts.

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Elodia [21]

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A section in a stained glass window is shaped like a trapezoid. The top base is 2 centimeters and the bottom base is 4.5 centime

Elza [17]

Answer:

2.8 cm

Step-by-step explanation:

The area of a trapezoid is calculated using the formula:

$A=\frac{(B+b)h}{2}$

where

B is the length of the major base

b is the length of the minor base

h is the height of the trapezoid

In this problem, the glass window has the shape of a trapezoid. We know that:

B = 2 cm is the length of the top base

b = 4.5 cm is the length of the bottom base

$A=9.1 cm^2$ is the area of the trapezoid

Solving for h, we can find the height of the stained glass window:

$h=\frac{2A}{B+b}=\frac{2(9.1)}{2+4.5}=2.8 cm$

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