exam Maths Puzzle Numerical Ability

please show me how to do this.
Perform the indicated operations:
√[50] + 2√[32] - √[8]

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exam Other Question

solve these word problems :

1)A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees K. Find the A tablet is crushed/suspened in 50mL .1M NaCl. After filtering to remove the insoluable solids, the aqueous solution was put through sep. funnel. Add 2mL .1M HCl to convert interf