2 years ago

How much larger is 6.3 x 10^6 than 4.9 x 10^4 ?

Mathematics

1 answer:

antoniya [11.8K]2 years ago

8 0

Answer: 625100

Step-by-step explanation:

To begin, we would start multiply both numbers one by one.

(6.3 x 10^6) - 4.9 x 10^4

6.3 x 10^6 = 6300000

4.9 x 10^4 = 49000

Now, subtract (6.3 x 10^6) and (4.9 x 10^4)

6300000. 49000

6300000 - 49000 = 6251000

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The width of a rectangle is 3/4 its length. The perimeter of the rectangle is 240 ft. What is the length, in feet, of the rectan

zalisa [80]

Answer: 51.4275 or 51.428571 (repeating decimals) feet

Step-by-step explanation:

P = perimeter

L = length

W = width

Represent W as $\frac{3}{4} L$

Find L

P = 2L + 2W

240 = 2L + 2( $\frac{3}{4}L$ )

240 = 2L + $\frac{3}{2} L$ or you can write 3/2 as 1.5

240 = 2L + 1.5L

240 = 3.5L

$\frac{240}{3.5} L = \frac{3.5L}{3.5}$

L = ≈ 68.57 or 68.571428 (but this is repeating decimals so I rounded it)

Find W

$\frac{3}{4} L$

$\frac{3}{4} * 68.57$ = 51.4275

Or if you want unrounded version 51.428571 (repeating decimals)

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