2 years ago

Add the following values. (2.1 × 1016) + (3.2 × 1015)

Mathematics

1 answer:

qwelly [4]2 years ago

8 0

Answer:

5381.6

Step-by-step explanation:

$(2.1 × 1016) + (3.2 × 1015)$

$= 5381.6$

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3 years ago

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Margaret’s bottle of shampoo is 7/8 full. She uses 1/3 of the shampoo in the bottle to wash the dog. Estimate what fraction of s

AleksandrR [38]

Fraction of shampoo left = $\frac{13}{24}$

Solution:

Given fraction of full shampoo $=\frac{7}{8}$ .

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Fraction of shampoo left = Full shampoo – fraction of shampoo used

$=\frac{7}{8}-\frac{1}{3}$

To make the denominators same do cross multiplication.

$=\frac{7\times3}{8\times3}-\frac{1\times8}{3\times8}$

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3 years ago

Which equation is the result of subtracting the second equation from the first?

rewona [7]

Answer:

the answer is

-x-8y=8

or, x + 8y= -8

Step-by-step explanation:

4x - 6y = 13 - (5x + 2y = 5)

or, 4x - 6y = 13

- 5x - 2y = -5

-------------------------

- x - 8y = 8

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3 years ago