Number of zero's in the product of `5 xx 10 xx 25 xx 40 xx 50 xx 55 xx 65 xx 125 xx 80,` is

Find the no. of zeros in the product of (5 xx 10 xx 25 xx 40 xx 50 xx 55 xx 65 xx 125 xx 80)

Find the product of: (-25) xx 0 xx 45 xx 90

Find the product of: (-2) xx (+50) xx (-25) xx 4

Find the product 37256 xx 25 xx 40 .

Find the product 0.68 xx 6.5 xx 0.04.

The number of zeros at the end of the product 5xx10xx 15xx 20xx 25xx30xx35xx40xx45xx50 is 5 (b) 7 (c) 8 (d) 10

The number of zeros at the end of the product of : 2^3 xx 3^4 xx 4^5 xx 5^6 + 3^5 xx 5^7 xx 7^9 xx 8^10 + 4^5 xx 5^6 xx 6^7 xx 7^8 - 10^2 xx 15^3 xx 20^4 is :