Question

(-3)⁴- √49 • [(7-3•5)+2•4- √100)³]

Answer 1

 (-3)⁴- √49 • [(7-3•5)+2•4- √100)³]
81-7 • [(4•5)+2•4- √1,000,000]
74 • [20+2•4-1,000]
74 • [22•4-1,000]
74 • [88-1,000]
74 • [-912]
-67,488