What is 3*10^-2 in standerd notation?

henry is mixing concrete. to make concrete he needs to mix cement, sand and gravel in the ratio 5 : 4 : 1 by weight. henry needs to make 110kg of concrete. he has 50kg cement, 55kg of sand and 15kg of gravel. which ingredient is henry short of?

The veThe Vega family has a three-year cell phone contract Javiera Vegas is the family gets a total of 3*10 to the fourth minutes of talk time to share doing three years according to the JV year how many minutes of talking with the Vega family have

If a town's population increases by 50% is that the same as the population being doubled?

Mida has $2.25 in nickels and dimes. She has four times as many dimes as nickels. How many dimes and how many nickels does she have?

What is 20/10 as a whole number

Express - 0.4 as a fraction in simple form

The triangles are similar. What is the value of x? Enter your answer in the box. x = two right triangles. the larger triangle has a long leg of 96 units, short leg of 28 units, and the hypotenuse is labeled 6 x plus 28.

What ratio is equivalent to 6 to 2? Complete the statement. The ratio 6 to 2 is equivalent to the ratio to ? . ISUS

Round 8.36 to The nearest whole number

the sales tax in your city is 4.4%, and an item costs $3 before tax, how much tax would you pay on that item?