scardonians scardonians

21-09-2018
Mathematics

contestada

HELP!! Which choice is equivalent to the expression below?

HELP Which choice is equivalent to the expression below class=

Respuesta :

21-09-2018

Hey there!!

Remember - i = √-1

√-81 can be written as

√-1 × √81

√81 = 9

and √-1 = i

Final answer - 9i

Option c

Hope it helps!

Answer Link

Otras preguntas

Achievements of issac Newton

Consider a 4.45-m × 4.45-m × 4.45-m cubical furnace whose floor and ceiling are black and whose side surfaces are reradiating. The floor and the ceiling of the

Assembly department of Zahra Technologies had 200 units as work in process at the beginning of the month. These units were 45% complete. It has 300 units which

Listed below are the playing times (in seconds) of songs that were popular at the time of this writing. Find the (a) mean, (b) median, (c) mode, and (d) mi

At which point is ocean water the warmest? 1 2 3 4 (I picked geography cuz i didint really know what this would be under and i didint see science)

Which of the following is an example of internal conflict in the destructors A. Almost everything in the area where the protagonist live has been destroyed by

After careful testing and analysis, an oil company is considering drilling in two different sites. It is estimated that site A will net $30 million if success

Which statement is objective?

A woman is heterozygous for a rare dominant autosomal genetic disease, Neurofibromatosis. She marries a normal man (homozygous recessive for Neurofibromatosis),

Choose True or False for all statements 1. When the Celsius temperature doubles, the Fahrenheit temperature doubles. 2. When heat is added to a system, the temp