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Kipish [7]
3 years ago
14

How do you write the standard number 64,090,000,000 in scientific notation?

Mathematics
1 answer:
Degger [83]3 years ago
5 0
Step 1: Put a decimal point at the end of the number: <span><span>64090000000.
</span>Step 2: Move the decimal point 10 spaces to the left:  </span><span>6.4090000000
</span>Number Part: 6.4090000000 aka 6.409⋅<span>10Exponent Part: 10
Answer: 6.409 x 1010</span>

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6700 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 28 years, to t
Vesna [10]

At the end of 28 years, there will be 22,083.2 dollars in the account.

Step-by-step explanation:

Step 1; First we must calculate how much interest there is in total over 28 years. The annual interest rate is 8.25% i.e. 8.25% of 6,700 dollars which equals 552.75 dollars. As the years' pass, more and more will be put into the account due to interest. After 28 years, there will be an interest of 229.6% (8.25% per year * 28 years)of the initial amount.

Step 2; We must find the money due to interest and add it with the money that was put in initially. The interest amount is 2.296 times the 6,700 dollars which was put in. The interest equals 15,383.2 dollars. With this, the initial 6,700 dollars is added which comes to a total of 22,083.2 dollars

3 0
4 years ago
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Plz help :(((((( i need help
In-s [12.5K]

Answer:

6 i think i mean i am tring too do my chalinges

Step-by-step explanation:

6 0
2 years ago
A system of linear inequalities can have solutions in exactly three of the quadrants
Anarel [89]
It would be true that all three quadrants could be occupied
8 0
3 years ago
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T is directly proportional to the cube of r. T=21.76 when r=4 Find a formula for T in terms of r
maria [59]

Answer:

T = 0.34r³

Step-by-step explanation:

Given that T is directly proportional to r³ then the equation relating them is

T = kr³ ← k is the constant of variation

To find k use the condition T = 21.76 when r = 4 , then

21.76 = k × 4³ = 64k ( divide both sides by 64 )

0.34 = k

T= 0.34r³ ← equation of variation

3 0
3 years ago
A cylinder has a surface area of 1850 square meters and a radius of 9 meters. Estimate the volume of the cylinder to the nearest
Trava [24]
In order to find the volume you need the height. 

Surface area = π r² + base x height or width x length
1850 = 3.14 × 9² + radius × 2 x π x height
1850 = 254.34 + 9 × 2 × 3.14 × height
1850 = 310.86 × height

To find the height you have to divide the surface area by the part I bolded

Height = 1850 ÷ 310.56
Height ≈ 6

Volume of a cylinder = πr²×height 
= 3.14 × 9 × 9 × 6
Volume =1526.04

Nearest whole number would be 1526
4 0
3 years ago
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