3 years ago

Estimate the product of 3.9 and 4.6 using mental math. Explain the method you used

1 answer:

3 0

The etimated answer would be 20. The method that I used is I rounded 3.9 to 4 and 4.6 to 5 and then I mutiplied. Hope I helped

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melisa1 [442]

The answer is 2, 4, 8 and 16 (added=$30)
Take $14 from the highest amount = $2 for that envelope
Double the original $2 = $4
Double the $4 = $8
Double the $6 = $16
Thus, $2,4,8,16, but all in different envelopes

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3 years ago

Aiden works at a lab with a huge circular particle accelerator. It has a diameter of 8 kilometers. What is the accelerator's rad

Kipish [7]

Step-by-step explanation:

Diameter = 2x Radius

Radius = 1/2 Diameter

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2 years ago

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Vika [28.1K]

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Step-by-step explanation:

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3 years ago

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LUCKY_DIMON [66]

Answer:

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3 years ago

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Sidana [21]

Slope form: y=mx + b
slope is 2/5, fill into equation
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3 years ago