Q. Which number is closest to 7?Choices:(A) 2.3(B) 1.8(C) 2.6(D) 2.1
Identify square roots: Step 1: Identify the square roots of the given choices to compare with 7. Calculate 2.32, 1.82, 2.62, and 2.12. 2.32=5.29, 1.82=3.24, 2.62=6.76, 2.12=4.41.
Compare with 7: Step 2: Compare each result with 7 to find the closest value.7−5.29=1.71,7−3.24=3.76,7−6.76=0.24,7−4.41=2.59.
Find smallest difference: Step 3: Determine which difference is the smallest.The smallest difference is 0.24, which corresponds to 2.6.