`(305xx 308)=?`

Find: 302 xx 308

(3.25 xx 3.20 - 3.20 xx 3.05)/(0.064) is equal to

Which two should be interchanged in the following equation to make it correct? 615 - 377 div 29 xx 15 + 308 =502

You are given four tuning forks, the lowest frequency of the fork is 300Hz. By striking two tuning forks at a time any of 1, 2, 3, 5, 7 & 8 Hz beat frequencies are heard. The possible frequencies of the other three forks – (1) 301, 302 & 307 (2) 301, 303 & 308 (3) 300, 304 & 307 (4) 305, 307 & 308

1 mole of any gas a) Occupies 22.4 lit at STP b) Contains 3.05 xx 10^22 molecules c) Contains 6.023 xx 10^23 molecules d) Contain same number of molecules as in 22 gm of CO_2

What is the HCF of 275 and 308?