- 1A cubic meter of concrete mix contains four hundred and twenty kilograms of cement, one hundred and fifthy kilograms of stone, and one hundred and twenty kilograms of sand
A cubic meter of concrete mix contains four hundred and twenty kilograms of cement, one hundred and fifthy kilograms of stone, and one hundred and twenty kilograms of sand. What is the total weight of cubic meter of concrete? What fractional part is sand? What fractional part is sand? What fractional part is stone?

- 2If 14.0 kilograms of Al2O3(s), 57.4 kilograms of NaOh(l), and 57.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced
If 14.0 kilograms of Al2O3(s), 57.4 kilograms of NaOh(l), and 57.4 kilograms of HF(g) react completely, how many kilograms of cryolite will be produced?

- 3one thousand three hundred twenty feet are what part of a mile
one thousand three hundred twenty feet are what part of a mile? give answer in lowest term

- 41) In twenty-two years, Alexis' age will be two hundred ninety-seven less than four times the age of Alyssa
1) In twenty-two years, Alexis' age will be two hundred ninety-seven less than four times the age of Alyssa. 2) Alexis' age is one hundred sixty-two less than three times the age of Alyssa. What are their ages?

- 5Write twenty million,five hundred thousand in expaned notation form using exponents
Write twenty million,five hundred thousand in expaned notation form using exponents.would that be (20x10tothe 8thpower)+(500x10to the 5th power)

- 6Indicate whether the mass of the following objects could best bemeasured in grams or kilograms:An elementary school studentIt is kilograms right
Indicate whether the mass of the following objects could best bemeasured in grams or kilograms:An elementary school studentIt is kilograms right?

- 7william wants to known how many kilograms a 1000 gram cantaloupe weighs he converts the measurement and says the melon 1,000,000 kilograms what did he do wrong
william wants to known how many kilograms a 1000 gram cantaloupe weighs he converts the measurement and says the melon 1,000,000 kilograms what did he do wrong

- 8Write the following as a number: thirty billion, eight hundred eight million, nine hundred sixty six dollars
Write the following as a number: thirty billion, eight hundred eight million, nine hundred sixty six dollars.

- 9the 2011 projected population for broward county is two million,four hundred fiffty-five thousand,three hundred
the 2011 projected population for broward county is two million,four hundred fiffty-five thousand,three hundred. what is this number in standard form?

- 10How many kilograms of oxygen are in a human body that weighs 80 kilograms
How many kilograms of oxygen are in a human body that weighs 80 kilograms

- 11how to write the expanded form for one hundred 21 thousand , three hundred forty
how to write the expanded form for one hundred 21 thousand , three hundred forty

- 12use digits to write four hundred seventy-five thousand three hundred forty-two
use digits to write four hundred seventy-five thousand three hundred forty-two. then circle the digit in the ten-thousands place