问题
填空题
某市2006年的国民生产总值约为333.9亿元，预计2007年比上一年增长10%，用科学记数法表示2007年该市的国民生产总值应是（结果保留2个有效数字）______亿元．
答案
∵333.9×（1+10%）=367.29，
∴367.29=3.6729×102≈3.7×102．
故答案为：3.7×102．
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某市2006年的国民生产总值约为333.9亿元，预计2007年比上一年增长10%，用科学记数法表示2007年该市的国民生产总值应是（结果保留2个有效数字）______亿元．
∵333.9×（1+10%）=367.29，
∴367.29=3.6729×102≈3.7×102．
故答案为：3.7×102．
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The Marine Science Center offers nearly four hours of an educational adventure. Observing restoring Sea Turtles, lab experiments, taking our Exhibit Gallery challenge, and learning from educational beach activities are a unique and fun way to educate all ages about the fragile environment in Florida． 2. __________ We require a 1 to 10 ratio of guardians to students. All guardians within that ratio are free. The fee is $3 per student and $6 per any extra adults. The fee includes a three and a half hour program with interactive activities for the students. Payment should be made upon the arrival to the Marine Science Center. Please make checks payable to: County of Volusia Marine Science Center. 3. __________ This program can accommodate groups up to forty students. The students must be divided into groups of ten before arriving at the center. The students will be rotated(轮换) throughout all of the activities provided. 4. __________ The Marine Science Center is located at 100 Lighthouse Drive in Ponce Inlet. If arriving by bus, please stop the bus on the north (right) side of Lighthouse Drive directly across from the Marine Science Center entrance sign. Students will be accompanied up the main sidewalk to the front entrance of the Marine Science Center. If arriving by separate cars, please park in the main parking lot to the right on Lighthouse Drive. Take the boardwalk to the Marine Science Center. 5. __________ The bus must be available to take students to and from the Marine Science Center and Lighthouse Point Park during the field trip for beach activities. Upon arrival the driver will get specific instructions on your program schedule. |