Write in exponential notation. 1. 0.615 =

1 answer:

4 0

Move the decimal 1 times to right in the number so that the resulting number, m = 6.15, is greater than or equal to 1 but less than 10
Since we moved the decimal to the right the exponent n is negative
n = -1
Write in the scientific notation form, m × 10n
= 6.15 × 10-1
Therefore, the decimal number 0.615 written in scientific notation is 6.15 × 10-1 and it has 3 significant figures.

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If the measure of angle 2 is 92 degrees and the measure of angle 4 is (one-half x) degrees, what is the value of x? 2 lines inte

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The value of x is 184.

What is the value of x?

Given Information

The measure of angle 2 = 92°

The measure of angle 4 = (x/2)°

From the figure, it can be seen that angle 2 and 4 make vertically opposite angles.

Vertically Opposite Angles

The pair of angles that are formed by two intersecting lines and are opposite to each other are defined as vertically opposite angles. The values of vertically opposite angles are always equal.

Here, in this case, ∠1 and ∠3 make a pair of vertically opposite angles. ∠2 and ∠4 form another pair of vertically opposite angles. Hence,

∠4 = ∠2

(x/2) = 92

x = 92 × 2

x = 184

Thus, the value of x is 184.

Learn more about vertically opposite angles here:

brainly.com/question/68367

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