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4 years ago

What is scientific notation

Mathematics

2 answers:

Tatiana [17]4 years ago

8 0

Answer:

Scientific notation is way of writing very small or very large numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.

GalinKa [24]4 years ago

5 0

Scientific notation is a way of expression really large or really small numbers.

For instance, 1000000 in scientific notation would be 1 x 10^6

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What is -0.75 - 0.4 simplified

anzhelika [568]

Answer:

-1.15

Step-by-step explanation:

Subtract 0.4 from − 0.75 .

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3 years ago

Read 2 more answers

The pictogram shows what people ate when they went to a restaurant.

aleksandrvk [35]

Answer:

Step-by-step explanation: so you calculate how many people ate chicken, beef, fish or are vegetarian then you will add it all together

chicken=128

beef= 80

fish=32

vegetarian=112

128+80+32+112= 352 people ate at the restaurant

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3 years ago

Trash Cans: Elliot's family has a cylinder shaped trash can. It takes the family a few days to fill the trash can up. Elliot wan

atroni [7]

Answer:

$4696.0 in.^3$

Step-by-step explanation:

The trash can has a cylinder shape, so we have to calculate the volume of a cylinder.

The volume of a cylinder is given by the formula

$V=\pi r^2 h$

where

V is the volume

r is the radius of the base

h is the height of the cylinder

In this problem, we have:

h = 24.90 in. is the height of the can

d = 15.50 in. is the diameter of the can, so the radius is half of this value:

$r=\frac{d}{2}=\frac{15.50}{2}=7.75 in.$

Therefore, the volume of the trash can is:

$V=\pi (7.75)^2 (24.90)=4696.0 in.^3$

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3 years ago

don walked 3 3/5 miles on Friday, 3.7 miles on saturday, and 3 5/8 miles on sunday. list the distances from least to greatest

astraxan [27]

Solution:

we are given that

Don walked 3 3/5 miles on Friday

It can be re-written as

$3\frac{3}{5}miles=\frac{18}{5}= 3.6$ miles

3 5/8 miles on sunday.

It can be re-written as

$3\frac{5}{8}miles=\frac{29}{8}= 3.625$ miles

an d He walk 3.7 miles on satarday.

The distances from least to greatest is 3.6, 3.625, 3.7

The distances from least to greatest is $3\frac{3}{5}$ miles, $3\frac{5}{8}$ miles, 3.7 miles.

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3 years ago

The total amount A in an account earning simple interest is given by the equation A = P + Prt, where P is the principal, r is th

diamong [38]

P is a placeholder for the amount of money you put in (aka deposit). We don't know the value of P, so it stays unknown.

The r is the interest rate as a decimal. It is also a placeholder, but we know that r = 0.04 because we're told the interest rate is 4%. Note that 4% = 4/100 = 0.04

The time in years is t = 5

So this means...
A = P + P*r*t
A = P + P*0.04*t ... replace r with 0.04
A = P + P*0.04*5 ... replace t with 5
A = P + P*0.2 ... multiply
A = P + 0.2*P ... swap terms
A = P + 0.2P

Answer is choice C

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3 years ago