²√ 875, 129 ²√ 5, 555

²√ 34, 343, 434

²√ 121, 121, 121

²√ 75, 254

²√ 22, 222

³√ 88, 888

Con operaciones

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

Find the solution of each of the following.

Which expression is equivalent to 16 in exponential form? a) 4 × 4 b) 8 × 2 c) 23 d) 24