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2 years ago

What is 120.571 in expanded form?

Mathematics

2 answers:

borishaifa [10]2 years ago

5 0

The expanded form would be 100.000 +20.000+0.000+.500+.070+.001

KATRIN_1 [288]2 years ago

3 0

Answer:

to find the expansion of the number 120.571

expansion in notation form

100 + 20 + 0 + .500 + .070 +0.001

expansion in exponential form

1 × 10² + 2 × 10¹ + 0 × 10⁰ + 5× 10⁻¹ + 7 × 10⁻² + 1 × 10⁻³

expansion in factor form

1 × 100 + 2 × 10 + 0 × 1 + 5 × 0.1 + 7 × 0.01 + 1 × 0.001

All the expansion above can the answer of the number given in question.

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Z varies directly as x2. If z = 16 when x = 2, find z when x = 5.<br> ...<br> Z=

PtichkaEL [24]

Answer:

100

Step-by-step explanation:

it is a bit unclear to me, what that problem description means.

if I understand it correctly, than z is directly depending on x².

so, z = 16 for x = 2. x² = 4

I pondered a little bit, as there are several possibilities to connect 16 with 4 as a driving factor (e.g. 2⁴ = 16, 4×4 = 16, 12 + 4 = 16).

I decided to go with the simplest interpretation with the usual meaning of "varies" (multiplication) : 4×x²

that would mean

z = 4×x² = 4×5² = 4×25 = 100

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2 years ago

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kenny6666 [7]

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1 year ago

During summer, when the snow melts, the water level of the Yukon River increases. If the water level of the river increased by 7

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Answer:

13 centimeters per day.

Step-by-step explanation:

We have been given that during summer, the water level of the river increased by 78 centimeters in 6 days. We are asked to find the water level increase rate in centimeters per day.

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Therefore, the water level increase rate is 13 centimeters per day.

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Step-by-step explanation:

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