Apr 11, 2018 · See below: >Finding 1/10 of a number is the same as dividing it by 10. To find a tenth of something simply multiply it by 1/10 and then simplify. That will be a tenth of it: What is …

Oct 10, 2015 · It will be easier for you to see if you first write it as a rational number, then as a decimal number. 10^-6 means we take 6th power of 10, then take the reciprocal of it. 6th …

May 2, 2016 · 5 cents If the ball costs x cents, then the bat costs 100 + x cents and the total is 100+x+x = 100+2x cents. We are told that the total is 110 cents, so 2x = 110 - 100 = 10 and …

Jun 7, 2018 · 0.001 through rewriting the expression in scientific notation We can rewrite the expression as 1*10^-3 This is in scientific notation. Since we have a negative exponent, we …

Feb 8, 2017 · a_n = 1/2n(n+1) These are recognisable as triangular numbers, but let's use a general method for finding matching polynomial formulas...

Oct 14, 2015 · This is a trick question: a bat and a ball cost $1.10 together. If the bat costs $1 more than the ball, then how much does the ball cost?

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Feb 27, 2016 · Take 10 to the power of each side of the equation to find that x=1/10 By their definition, logarithms have the property that a^(log_a(x))=x Using that, we have log_10(x) = -1 …

Mar 22, 2014 · You divide the final volume by the initial volume. "DF" = V_f/V_i EXAMPLE 1: What is the dilution factor if you add a 0.1 mL aliquot of a specimen to 9.9 mL of diluent?

Mar 29, 2015 · The mass of a proton in picograms is 1.67 * 10^(-12)"pg". This is a basic unit conversion problem in which you must go from one order of magnitude, in your case …