How can you make a total of 1000's by using sixteen 4's?

Answer 1

Ans:444+444+44+44+4+4+4+4+4+4=1000

Comments

As Type of sign and number of signs are not mentioned in question.

Answer 2

4x4x4x4x4 = 1024
-4-4-4-4-4-4 = -24
(4/4)^4 - 4/4 = 0

If you don't like using powers
4x4x4x4x4 - 4(4+4) +4+4+4+4+4 -4-4-4 = 1000
ie 1024 - 32 +20 - 12 = 1000

Answer 3

444
444
44
44
4
4
4
4
4

4

1,000