The wavelength of x rays are between 1 and 10 nanometers if a nanometer is equal to a billionth of a meter express the greatest wavelength of an x ray in meters write the expression using a negative exponer

Step-by-step explanation:

The wavelength of x rays are between 1 and 10 nanometers.

1 nm = 10⁻⁹ m

The greatest wavelength is 10 nm.

10 nm = 10 × 10⁻⁹ m

= 10⁻⁸ m

Here, (-8) is the exponent of 10.

Hence, the wavelength of the greatest wavelength of x-ray is 10⁻⁸ m.

4

step-by-step explanation:

im pretty sure it's 4 beacsue 8/2 equals 4

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

step-by-step explanation:

formula

x = x1 + p/w(x2 - x1)

let the line segment ab with a(x1,y1) and b(x2,y2)

a point(x,y) divide ab in the ratio, 2: 3 the x coordinate can be written as

x = x1 + p/w(x2 - x1)

here p=2 and w = 2+3

therefore,

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

similarly y coordinate y = y1 + 2/5(y2 - y1)