0.3^10*7^13/(2.1^10*0.7^3)简便计算
问题描述:
0.3^10*7^13/(2.1^10*0.7^3)简便计算
答
0.3^10*7^13/(2.1^10*0.7^3)
=(0.3^10*7^10)*7^3/(2.1^10*0.7^3)
=(2.1^10*7^3)/(2.1^10*0.7^3)
=7^3/(0.7^3)
=10^3
=1000