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# Math and Arithmetic

Cards in this guide (24)
The price of 1g of Yttrium

The price of 1g of Yttrium is 1 cent.

How many significant figure for 2.9979 x 108

5 significant figures Each figure that contributes to the accuracy of a value is considered significant. So 2.9979 has 5 significant figures. The 10^8 does not contribute to the accuracy as it simply indicates the number of trailing zeroes (i.e. 299,790,000) that are simply a result of rounding from the actual value (299,792,458)

How tall is the base of the Statue of Liberty

The entire monument is a little of 305 ft. tall. The statue is a bit over 151 ft. and the base is approximately 154 ft.

How High would you have to stack 100 dollar bills to make 1 billion dollars

You'd better find a tall ladder: the stack would be 3,583.33 feet tall.

What is the density of Mercury metal

The density of Mercury at 20 deg C is 13.534 g/cm3 that is 13.534 times heavier than the same volume of water.

How many minutes in month of June

June has 30 days which gives it 43,200 minutes

Round off 00946400 to 3 significant figure

946000

What is the power of ten of centi

10-2

What is the price in American dollars for the element mercury

Mercury costs about one dollar for two grams

What is a milliliter larger than

milli is 10^3 bigger then micro.

milli is 10^6 bigger then nano.

milli is 10^9 bigger then pico.

What is 6256 rounded to 1 significant figure

6,256 rounded to 1 significant figure is 6,000

What is the density of mercury at room temperature

13534 kg.m-3

How many mm is in 2.15 m

2.15 m = 215 cm = 2150 mm

How do you round 154.8 to one significant figure

200 Explanation: 2 is the one significant figure. The zeros are not significant. Round up because it is closer to 200 than to 100.

How many nano grams are in 1 microgram

nano is 10 to the power of -9, micro is 10 to the power of -6 and so number of nano grams in i micro gram is

10 to the power of -6 divided by 10 to the power of -9, giving an answer of 1000

How do you round 17.9867 to 3 significant figures

17.9867 to 3 significant figures is 18.0

How much 1 lb sugar cost in 1900

it cost \$.06

How much is 305 meters in feet

Divide by 0.3048 to convert from feet to meters

What prefix is 10 to the third power

It is kilo-

How many significant figures are there in 435

3 significant figures.

What is 85 cm to the nearest hundredths

85 cm to the nearest hundredths is 85.00 cm

Round 213 to 1 significant figure

2

What is 98.5 x 13

1,280.5

What is 0.067318 rounded to 2 significant figures

It is then 0.067 when rounded to 2 significant figures

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