How do you evaluate #25.6+4^{3}-100^{0}-12^{2}#?

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Answer 1 · 2017-10-11T20:38:55

#-55.4#

Use the definition of the exponents:

#25.6+4*4*4-100^0-12*12#

Any number to the zeroth power is 1:

#25.6+4*4*4-1-12*12#

Simplify:

#25.6+64-1-144#

#89.6-1-144#

#88.6-144=-55.4#