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3 years ago

11

Notes on how to multiply/divide with scientific notation

1 answer:

snow_tiger [21]3 years ago

3 0

Answer:

Treat the numbers separately and powers separately.

Multiply the two results at the end.

Example:

(2×10⁵) ÷ (4×10²)

(2 ÷ 4) × (10⁵ ÷ 10²)

0.5 × 10³

5.0 × 10²

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Point J is on line segment IK. Given JK = 2x, IJ = 5x, and IK = x + 6, determine the numerical length of JK.

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Answer:

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Step-by-step explanation:

Given:

$JK = 2x$

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Required

Solve for JK.

Since J is on IK, we have:

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$7x - x = 6$

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Solve for x

$x = 6/6$

$x = 1$

Substitute 1 for x in $JK = 2x$

$JK = 2 * 1$

$JK = 2$

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