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Sonja [21]
3 years ago
8

What is the standard form of 13.8

Mathematics
2 answers:
BabaBlast [244]3 years ago
6 0

Answer:

13.8 = (1\times 10) + (3\times 1) + (8\times \displaystyle\frac{1}{10})

13.8 = (1\times10^1) + (3\times 10^0) + (8\times 10^{-1})

Step-by-step explanation:

Standard form of a number is the the form where the number is expressed in the number digit form. There are many techniques to convert a same number into standard form.

There are many ways of writing a number in expanded form.

One of the way is:

13.8 = (1\times 10) + (3\times 1) + (8\times \displaystyle\frac{1}{10})

Another way could be:

13.8 = (1\times10^1) + (3\times 10^0) + (8\times 10^{-1})

Evgen [1.6K]3 years ago
3 0
10+3+.8

hope this helps :-)
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Montell is 30 years younger than his mother. in 5 years, montell age will be 1-3 of his mother’s age. find montell mother’s age
Liono4ka [1.6K]
So this can be solve by establish two equation:
let x be age of montell
y be tha age of her mom
for the first equation (<span>Montell is 30 years)</span>:
x = y - 30
second equation ( in 5 years )

x + 5 = ( y + 5 ) ( 1/3)
solving the equation simultaneously

x = 10 years old
y = 40 years old
8 0
3 years ago
Use the circle to answer the questions​
insens350 [35]

Answer:

Diameter: 10.8 cm

Circumference (in terms of π): 10.8π cm

Circumference (approximate): 33.91 cm

Step-by-step explanation:

Hi there!

<u>We're given:</u>

  • The radius (5.4 cm)

<u>1) Determine the diameter</u>

d=2r

Multiply the radius 5.4 cm by 2

5.4 × 2 = 10.8

Therefore, the diameter of the circle is 10.8 cm.

<u>2) Determine the circumference of the circle</u>

C=\pi d

Plug in the diameter 10.8

C=10.8\pi

Therefore, the circumference of the circle in terms of π is 10.8π cm.

<u />

<u>3) Determine the approximate circumference of the circle </u>

C=10.8\pi\\C=10.8(3.14)\\C=33.91

Therefore, the approximate circumference of the circle is 33.91 cm.

I hope this helps!

5 0
3 years ago
Choose the number that has a 5 with a value 10 times less than the value of the 5 in the number in 54,271
Zigmanuir [339]
The answer is 500,000 because you have add a zero sense it's times 10
6 0
3 years ago
Plz plz help me I really need help
arlik [135]
Circumference of a circle is 2πr where r is radius of a circle.

2*3.14*7=43.96 almost 44 inches in whole number where π=3.14
4 0
3 years ago
Read 2 more answers
Select all the correct answers.
lara31 [8.8K]

Answer:

B i think

Step-by-step explanation:

i think its B because all the other ones don'e look right. hope its correct. :)

3 0
3 years ago
Read 2 more answers
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