\(4^{22}.5^{40}=2^{44}.5^{40}=2^4.2^{40}.5^{40}=2.^4\left(2.5\right)^{40}=2^4.10^{40}=16.10^{40}=1,6.10^{41}\)
=41 chứ số
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
tim so co 5 chu so biet so do bang binh phuong cua tong cac chu so cua so do
cho a la 1 so chinh phuong co 4 chu so biet 2 chu so dau va 2 chu so cuoi cua giong nhau hoi a la bao nhieu
Tim 5 chu so tan cung cua 1+4+4^2+4^3+.....+4^98+4^99
tim phan so co dong thoi cac tinh chat sau
a/Tu cua phan so la so tu nhien co mot chu so
b/Hieu giua tu so va mau so la 4
c/Neu giu nguyen tu so va viet them vao ben phai mau so mot chu so dung bang tu so,thi duoc phan so moi bang phan so 1/5
tim 4 so tu nhien lien tiep biet rang tich cua 2 so dau nho hon tich cua 2 so sau 38
thu thach thui chu tui biet
tim phan so co cac tinh chat sau
a)Tu so cua phan so la so tu nhien co mot chu so
b)Hieu giua tu so va mau so bang 4
cho S = \(2^1+3^5+4^9+....+2014^{8049}\). Tim chu so tan cung cua S
cho\(S=2^1+3^5+4^9+...+2014^{8049}\) . Tim chu so tan cung cua S
tim hai chu so tan cung cua 5/\n (n>1)