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3 years ago

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Mathematics

1 answer:

Kazeer [188]3 years ago

6 0

Answer:

15.213 × 34.6 = 526.3698

Step-by-step explanation:

To write : steps taken to find the product of two decimals

Solution:

Consider two numbers 15.213 × 34.6

First multiply the numbers without using decimals

15213 × 346 = 5263698

Then find sum of decimal places in both the numbers.

Number of decimal places in 15.213 = 3

Number of decimal places in 34.6 = 1

Total number of decimal places in both the numbers = 3 + 1 = 4

Shift decimal four places to the left. So, number becomes 526.3698

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kati45 [8]

Answer:

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Step-by-step explanation:

Let there is a triangle named PQR with bottom corner angles ∠ P and ∠ Q and the ∠ R is the angle at the top.

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A circular disc has a circumference of 16pi meters. if we multiply the radius of the circular disc is by 10, what is the circumf

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Step-by-step explanation:

Given,

Circumference of circular disc = 16Π (pi = Π)

Let, the radius of the circle be 'r'

Formula

The circumference of a circle with r radius = 2 Π r

According to the problem,

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or, 2r = 16 ( by eliminating the value of Π from both the side)

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Now, we multiply the radius by 10

so, the new radius is 8 X 10 = 80

Now the circumference = 2 Π X 80

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Hence, the new circumference also will be 10 times of the older one.

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