Casio FX-115ES Scientific Calculator "10 ratio calculation" Questions

...ratio of 10^4 is 40dB (10Log10^4= 40), then how do you find the antilog of 40dB using 10^x on a calculator? The conversion formula is # dB =10*log(Pout/Pin) for say an amplifier. For your case ...

I am having trouble simplifying ratios on the FX-83ES. Any ideas? For example 10:5 should come up with 2:1, but it comes up with 10 when I press =. am having trouble simplifying... Solve I am having ...

how to solve ratio and proportion problems How to solve ratio and proportion problems (-30)(10)=(6)(n)

...Ratio of 250 to 5) 250 [/] 5 [2nd] [%] [=] gives 5000. Add-On (5% add-on of 250) 250 [+] 5 [2nd] [%] [=] gives 262.5 Discount (5% discount of 250) 250 [-] 5 [2nd][%] [=] gives 237.5 Some percentages ...

) 100 x 5 % + 105 Discount:10 - (10 x 20%) 10 x 20 % - 8 Ratio: 30 = 60 x ?% 30 (division key) 60 % 50 % change: 12 = 10 + (10 x ?%) 12 - 10 % 20 Mark-up: 25% mark-up of 120 120 = 25% 160 - 40 (profit

...88!2! please help The calculator's memory is limited. The largest number it can handle is about 10^100 and that is a bit more then 69! It you are trying to calculate the permutation and/or ...

10^(a*b)Example : suppose you want to calculate the charge to mass ratio of the electon m_e= 9.109534 E-31 kg q_e=1.6021892 E-19 C q_e/m_e= (1.6021892/9.109534)* (E-19)*(E 31) C/kg q_e/m_e= (1.6021892

what is the ratio of 400 A ratio involves two numbers. The ratio of 400 to 1 is 400 to 1. The ratio of 400 to 2 is 200 to 1. The ratio of 400 to 10 is 40 to 1. The ratio of 400 to 1000 is 2 to 5.

what is the ratio of 4hm to 4km? 1 hectometer =100 m 1 kilometer =1000 . The ratio 1 hm / 1 km= (100 m) / (1000 m)= 1/ 10 =0.1 Same result for 4 hm / 4 km

im doing chemistry homework. I dont know how to enter the number 6.02*10^23 into my calculator to do mole ratios. 6 . 0 2 EE 2 3 The EE key is just above the 7 key.