# chemistry

does the number 340 have the same meaning as the number 340.0??

1. 👍 0
2. 👎 0
3. 👁 104
1. No. There are two significant figures in 340 and four s.f. in 340.0.

1. 👍 0
2. 👎 0

## Similar Questions

1. ### chemistry

Calculate the concentration in % (m/m) of a solution containing 20.5 g of LiF dissolved in 340.0 g of H2O. a.1.14% (m/m) b.5.69% (m/m) c.6.03% (m/m) d.6.42% (m/m)

asked by julia on March 23, 2014
2. ### Math

Suppose that the number of cars manufactured at an automobile plant varies jointly as the number of workers and the time they work. If 340 workers can produce 204 cars in 4 hours, find the number of workers that can produce 180

asked by Anonymous on March 11, 2016
3. ### Chemistry

HClO(aq) + H2O (l) H3O+ (aq) + ClO-(aq) Calculate the value of ΔGrxn at 25 °C for hypochlorous acid when [ClO-]=[H3O+]=5.69x10^-5 M [HClO] = 1.340 M Previously calculated a ΔGºrxn of 42.20 kJ/mol Q = [5.69x10^-5] / [1.340] =

asked by Angely R. on March 20, 2014
4. ### CALC AB

1. For the given cost and demand functions, find the production level that will maximize profit. C(x)=820+5x+0.01x^2, p(x)=18-x/400. Find the answer to the nearest whole number. a. x = 538 b. x = 525 c. x = 511 d. x = 520 2. A

asked by Jacke on January 3, 2015
5. ### Algebra..please check my work!!

At 3 p.m., Brunhilde headed north at 30 kilometers per hour. Two hours later Ludwig headed south at 40 kilometers per hour. At what time will they be 340 kilometers apart? I know that the distance from Brunhilde(Db) plus the

asked by Tim on December 7, 2007
1. ### maths plz help me

TOP electronics is a small business with five employees. the mena (average) wekkly salary for the five employess is \$360. if the weekly salaries of four of he employees are \$340 \$340 \$345and \$425, what is the slary of the fifth

asked by Anonymous on November 9, 2008
2. ### math

is 2,340 divisible by 90? how do you know?

asked by samantha on January 12, 2011
3. ### chemistry

how many liters of oxygen are necessary for the combustion of 340 g of ethanol (c2h5OH) assuming the raction occurs at STP? no idea how to work this out

asked by parker on May 18, 2013
4. ### Physics

a siren on top of the police car emits sound at frequency of 820 Hz. The car passed a bystander on a sidewalk and is receding at speed 142 km/h/ what is the frequency the bystander hears. assume the speed of sound in air to be 340

asked by Maria on May 1, 2018
5. ### math

i need to know 1,000 x 340

asked by karly on September 26, 2010
6. ### Math

Could someone explain how to graph the following problem? I don't quite understand what "Graph H for 0 ≤ t ≤ 3 and 300 ≤ H ≤ 340" is asking me to do... The National Oceanic and Atmospheric Administration (NOAA) has been

asked by anna on November 30, 2012