The result is 10,000,000 or 107
2 to the 4th power times 5 to the 3rd power = 2,000
1.657 times 10 to the 4th power = 16,570
2 times 10 to the 3rd power = 2,000
1/12
20,000
.002519
180,000
Well, darling, when you multiply numbers with the same base, you just add their exponents. So, 10 to the 3rd power times 10 to the 4th power is 10 to the 7th power. Math doesn't have to be a drag, honey!
5,000
The question cannot be answered - in 3rd standard or elsewhere - because it does not say 10 times WHAT!
256,000
The product of 3.25 times 10 to the 3rd power x 6.1 times 10 to the negative 1 power, expressed in scientific notation, is: 3.25061 × 103