A. 473 D. 10 Assessment . Directions: Write the letter of the answer in your answer sheet. 1) What is the value of 63 + 44? B. 472 C. 256 D. 216 2) How many times 7 used as a factor in 78? B. 8 C. 9 3) Which of these shows how 36 can be expressed as an exponential notation? 4) Which of the following exponential expression has the least value? C. 23 - 8 A 7 D. 23 x 33 A. 22 x 32 B. 22 x 33 - A. 45 x 2 B. 63 + 5 D. 122 - 12 5) Maria was given the number 12 500 000 to convert into scientific notation. Her answer was 1.25 x 106, but it was marked wrong on her paper. Why? A. The exponent of the answer shall be negative. B. The decimal point of the answer shall be between 2 and 5. C. The number before the decimal point of the answer shall be 0. D. The exponent of 10 shall be 4 because there are 4 zeros after 5.


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