100 21. CCSS Justify Conclusions Is 310 greater than, less than, or equal to 3? 399 Explain your reasoning to a classmate. 3 S Caual to.3. 39 What Becaure it lik say's i5 30 22. CCSS Persevere with Problems What is twice 230? Write using exponents. Explain your reasoning. 23. CSS Use a Counterexample Determine whether the statement below is true or false. If true, explain your reasoning. If false, give a counterexample. For any integer a, (-a)² = -a². %3D

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