Express the product of 0.00043 and 2000 in standard form.

If P = {1,2,3,4,5} and P ∪ ∪ Q = {1,2,3,4,5,6,7}, list the elements in Q

Solve for x in 8x-2 = 2/25

A man donates 10% of his monthly net earnings to his church. If it amounts to ₦4,500, what is his net monthly income?

A woman bought a grinder for ₦60,000. She sold it at a loss of 15%. How much did she sell it?

Evaluate Log28 + Log216 - Log24

Simplify 2√2−√3√2+√3

Find the value of 1101112 + 101002

If log7.5 = 0.8751, evaluate 2 log75 + log750