4 years ago

517.21 km what is the nearest 10km?

1 answer:

8 0

To round to the nearest 10, we must look at the tens and ones place (1 and 7). Because the ones place has a value greater than or equal to five, it rounds up.
Final answer: 520 km

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A gallon of milk costs $3 nowIf the price is increasing 10% per year, how long before a gallon of milk costs $10 a gallon? Round

r-ruslan [8.4K]

Answer:

The answer is 33 years.

Step-by-step explanation:

10% of 3 is .3

Just move the decimal to the left.

.3 times 33=9.9

9.9~10

3 0

3 years ago

Starting with a 10 mL of sand and a graduated cylinder 5 mL of water is added to the sand. after waiting for the water to comple

Sedbober [7]

Answer:

Porosity of the sand is, 20 %.

Step-by-step explanation:

So according to the question,

10 mL of sand contains (5 - 3) mL = 2 mL of water and this water fills the gaps or pores between the sand partcles. So, porosity of the sand is given by,

$\frac {2 \times 100}{10}$ %