Write the following expression in exponential form: 1.6 × 1.6 × 1.6 × 1.6

Mathematics

2 answers:

erma4kov [3.2K]2 years ago

8 0

(1.6)^4 would be the exponential form of the expression.

Vilka [71]2 years ago

6 0

Answer:

1.6^4 because that is the same thing as 1.6 x 1.6 x 1.6 x 1.6

Step-by-step explanation:

hope this helps

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Divide each of the following by 10, 100, and 1000: 67.8, 456.8, 531.20.

Inessa05 [86]

67.8: 6.78, 0.678, 0.0677
456.8: 45.68, 4.568, 0.4568
531.20: 53.12, 5.312, 0.5312
The pattern here is that the number of 0s there are in the digit of whatever you are dividing by, that is how many places you move the decimal place to the right. For example, by dividing 67.8 by 100, the decimal place has been moved 2 places to the right, resulting in the number 0.678

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3 years ago

The tax rate as a percent, r, charged on an item can be determined using the formula 100( – 1) = r, where c is the final cost of

ELEN [110]

The question is asking us to calculate the final cost of the item after the tax is applied. The price of item before the tax is: P = $40 and the tax rate as a percent is 8%. It means that r = 0.08. And the formula is: C = P * ( 1 + r ). Finally: C = $40 * ( 1 + 0.08 ) = $40 * 1.08 = $43.20. Answer: The final cost is $43.20.

7 0

3 years ago

Got a fairly simple looking system of equations, 2k+4y=20, and 3x+6y=30 Don't understand how to prove what values of k provide -

Leya [2.2K]

Answer:

2kx+4y=20 ⇒ kx+2y=10

3x+6y=30 ⇒ x+2y= 10

k is the coefficient of x, so it is the slope of the line

when k=1, both equations will be same, then there are many solutions
when k=0 there is one solution
when k is anything different, then the lines will be parallel, so no solutions

6 0

3 years ago

Please answer i really need help

Firlakuza [10]

X intercept is (1,0)
y intercept is (0,-4)

7 0

2 years ago

Which step is incorrect when solving the equation 2(x+9)=4(x+7)+2?

iragen [17]

Answer:

3. 2x+18=4x+26

Step-by-step explanation:

2(x+9)=4(x+7)+2

2x+18=4x+28+2

2x+18=4x+30

The step that made an error in solving this linear equation is step 3.

Hope this helps ;) ❤❤❤

8 0

3 years ago