Question

give the answer pls of class-7th CBSE board of secondary school​

Answer 1

Answer:

$(a)4.0 \times 10 {}^{11}$

$(b)2.5 \times 10 {}^{13}$

$(c)1.87 \times 10 {}^{12}$

$(d)8.0 \times 10 {}^{12}$

Answer 2

Answer:

count the number of zeros if u have only one non-zero number and write the no.of zeroes in 10 to the power