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nevsk [136]
3 years ago
6

Explain how you can use doubles when multiplying with 4 to find 4x8

Mathematics
1 answer:
STALIN [3.7K]3 years ago
8 0
You can figure out what four times eight is by adding eight and eight(16) and doubling it (32)
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Solve for b a=b-4/c
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3 years ago
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Add the exponents and keep the same base. Then reciprocal it and change the sign of the exponent. Then the value of the exponent expression is 0.5.

<h3>What is an exponent?</h3>

Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.

The exponent expression is 2³ × 2⁻⁴ can be simplified.

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2³ × 2⁻⁴  = 2⁽³⁻⁴⁾

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Then find the reciprocal and change the sign of the exponent.

2^3* 2^{-4} = 2^{-1}\\\\2^3* 2^{-4} = \dfrac{1}{2}\\\\2^3* 2^{-4} = 0.5

The value is 0.5.

More about the exponent link is given below.

brainly.com/question/5497425

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Translation:
5. A submarine is 420.5 m below sea level. The submarine dived 185.6 m deep and then climbed 200.9 m. Determine the new position of the submarine based on sea level.
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