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3 years ago

15

Please help me !!!!!

2 answers:

Leno4ka [110]3 years ago

5 0

You just need to know the order of operations or PEMDAS. To evaluate the expressions, first, do anything in parentheses, then exponents, then multiplication and division, then addition and subtraction.

a) 6x7-3^2x9+4^3
6x7-9x9+64
42-81+64
25

b) 5+4x2+6-2x2-1
5+8+6-4-1
14

Rudik [331]3 years ago

3 0

Expression 2 would probably be
easy numbers so, it would be 14.

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