significant figures. (NOTE: When entering numbers in scientific notation (also called powers-of-ten" notation) in your calculator, DO NOT press the multiplication button for the EXERCISE A (continued) Name 4. For problems 4a-4e, complete the answer using scientific notation with the correct number of a) "*" between the decimal number and the power of ten. After you enter the number part, press the "EC" or "EXP" button on your calculator, then enter the exponent of 10. Different calculators operate differently in terms of the order in which entries are made. KNOW YOUR CALCULATORII) a) 1.591 x 10' x 62.0 x 103 b) 2.0 x 106/7.334 x 10-2 b) c) (4.990 x 10%(7.1165 x 104) d) 6.00 x 102/8.1 x 10 d) e) (1.992x 10^)(8 x 10) e) 5. For problems 5a-5e, complete the answer using scientific notation with the correct number of significant figures. a) 1.5 x 102 x 8.11 x 103 a) b) 8.900 x 10' x 1.88 x 10-5 b) c) (4.013 x 10-7(2 x 103) c) d) 5.2290 x 10-5/1.5600 x 105 d) e) 9.09 x 107/1.70 x 10-15 e) 6. For problems 6a-6e, express each answer in the proper number of significant figures. a) 12.99 + 98.2 + 12.101 a) b) (101.5-9.15) x 12.11 b) c) 2.05 x 108 x 3.990 106 c). d) 910 x 7,124 x 10 d)