Question

What is the value of expression?

5−8 • 5−4

A.
532

B.
54

C.
5−4

D.
5−12

Answer 1

first thing you do is multiplication 8*5.
5-40-4=now subtract=-35-4=???

Answer 2

31

Answer 3

no

Answer 4

c

Answer 5

please use `^` for exponents so your question is \[\huge\rm 5^{-8} \times 5^{-4}\]
now apply the exponent rule when we multiply same bases we should `add` their exponents \[\huge\rm x^m \times x^n=x^{m+n}\]

Answer 6

= 5 12

Answer 7

-8-4 = ??

Answer 8

both numbers are negative....

Answer 9

so 5^-12

Answer 10

yes right

Answer 11

thx