Question 1 Write in scientific notation: 0.000123 and 64000000 Question 2 Express 7.23 x 10-3 as a number in standard notation. Question 3 (5.8 x 10-16) x (7.8 x 10%) =? Question 4 (7.1 x 10) = (1.9 x 10-2) = ? Question 5 (6.54 x 10-4)3 =? Question 6 The sixth root of 7.20 x 1038 = ? -6- Question 1 Give the correct number of significant figures for 2500, 2500., 0.0043, 0.06050 Question 2 Give the answer to the correct number of significant figures: 7964 + 86.94 + 760 = ? Question 3 Give the answer to the correct number of significant figures: 4.596 - 2.81 =? Question 4 Give the answer to the correct number of significant figures: (4.58 x 10") x (4.3198 x 10-19) = ? Question 5 Give the answer in scientific notation and to the correct number of significant figures: (7860) / (0.00001) = ? -7