please do step by step method urgent
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1
Answer:
343
Step-by-step explanation:
( 4² - 3² ) ÷ (1/7)²
( 16 - 9 ) ÷ (1/49)
( 7 ) ÷ ( 1/49 )
7 × 49 = 343 ( Reciprocal )
( Just use a calculator )
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