7. Find the square root of 7 correct to two decimal
places; then use it to find the value of
4+√7
V4-correct to three significant digits.
4+√7 (4+√7) (4+√7
V4-ſ7 = V(4-√7)(4+√7)
(4+√77
4+√7
al.
al.
16 - 7
3
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Answer:
correct to two decimal places; then use it to find the value of 4+√7 V4-correct to three significant digits. 4+√7 (4+√7) (4+√7 V4-ſ7 = V(4-√7)(4+√7) (4+√77 4+√7 al. al. 16 - 7 3
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